Was the success of the Bolshevik Revolution because of their power and skills or the weakness of the Provisional Government?

The success of the October Revolution in 1917 by the Bolsheviks was due to the combination of many different reasons. It was not solely because of the Bolsheviks' power or the weakness of the Provisional Government. But without either of these, the October Revolution would not take place at all. The following paragraphs are going to analyze the importance of the roles of the power of the Bolsheviks and the weakness of the Provisional Government from …

…supports of the three major groups in Russia, i.e. workers, soldiers and peasants turned the Bolsheviks into a very powerful party. Because it was a zero sum game, the gain in supports for the Bolsheviks represented the loss of supports for the Provisional Government, which was induced by its weakness. Therefore the success of the Bolsheviks in turning the weaknesses of the Provisional Government into its strength helped its success in Bolsheviks Revolution of 1917.