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Finding the Fourth Proportional to 94,124.92, 140,834.48 and 56,034.86

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Solution

The fourth proportional to 94,124.92, 140,834.48 and 56,034.86 is: 83,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,124.92 : 140,834.48 = 56,034.86 : x
  2. Step 2: Convert to fraction form
    94,124.92/140,834.48 = 56,034.86/x
  3. Step 3: Cross multiply
    94,124.92x = 140,834.48 × 56,034.86
  4. Step 4: Simplify right side
    94,124.92x = 7,891,640,369.97
  5. Step 5: Solve for x
    x = 7,891,640,369.97/94,124.92
  6. Step 6: Final answer
    x = 83,842.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.