Home / 129,154.12-193,720.17-44,892.65

Finding the Fourth Proportional to 129,154.12, 193,720.17 and 44,892.65

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Solution

The fourth proportional to 129,154.12, 193,720.17 and 44,892.65 is: 67,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,154.12 : 193,720.17 = 44,892.65 : x
  2. Step 2: Convert to fraction form
    129,154.12/193,720.17 = 44,892.65/x
  3. Step 3: Cross multiply
    129,154.12x = 193,720.17 × 44,892.65
  4. Step 4: Simplify right side
    129,154.12x = 8,696,611,789.75
  5. Step 5: Solve for x
    x = 8,696,611,789.75/129,154.12
  6. Step 6: Final answer
    x = 67,335.15

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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.