Home / 191,828.75-264,717.96-105,787.71

Finding the Fourth Proportional to 191,828.75, 264,717.96 and 105,787.71

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Solution

The fourth proportional to 191,828.75, 264,717.96 and 105,787.71 is: 145,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,828.75 : 264,717.96 = 105,787.71 : x
  2. Step 2: Convert to fraction form
    191,828.75/264,717.96 = 105,787.71/x
  3. Step 3: Cross multiply
    191,828.75x = 264,717.96 × 105,787.71
  4. Step 4: Simplify right side
    191,828.75x = 28,003,906,784.27
  5. Step 5: Solve for x
    x = 28,003,906,784.27/191,828.75
  6. Step 6: Final answer
    x = 145,983.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.