Home / 129,115.62-193,498.29-62,422.92

Finding the Fourth Proportional to 129,115.62, 193,498.29 and 62,422.92

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Solution

The fourth proportional to 129,115.62, 193,498.29 and 62,422.92 is: 93,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,115.62 : 193,498.29 = 62,422.92 : x
  2. Step 2: Convert to fraction form
    129,115.62/193,498.29 = 62,422.92/x
  3. Step 3: Cross multiply
    129,115.62x = 193,498.29 × 62,422.92
  4. Step 4: Simplify right side
    129,115.62x = 12,078,728,276.81
  5. Step 5: Solve for x
    x = 12,078,728,276.81/129,115.62
  6. Step 6: Final answer
    x = 93,549.71

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1.5x scale

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.