Home / 129,508.68-194,294.12-49,545.34

Finding the Fourth Proportional to 129,508.68, 194,294.12 and 49,545.34

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Solution

The fourth proportional to 129,508.68, 194,294.12 and 49,545.34 is: 74,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,508.68 : 194,294.12 = 49,545.34 : x
  2. Step 2: Convert to fraction form
    129,508.68/194,294.12 = 49,545.34/x
  3. Step 3: Cross multiply
    129,508.68x = 194,294.12 × 49,545.34
  4. Step 4: Simplify right side
    129,508.68x = 9,626,367,873.53
  5. Step 5: Solve for x
    x = 9,626,367,873.53/129,508.68
  6. Step 6: Final answer
    x = 74,329.90

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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.