Home / 129,772.24-194,306.61-67,311.52

Finding the Fourth Proportional to 129,772.24, 194,306.61 and 67,311.52

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Solution

The fourth proportional to 129,772.24, 194,306.61 and 67,311.52 is: 100,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,772.24 : 194,306.61 = 67,311.52 : x
  2. Step 2: Convert to fraction form
    129,772.24/194,306.61 = 67,311.52/x
  3. Step 3: Cross multiply
    129,772.24x = 194,306.61 × 67,311.52
  4. Step 4: Simplify right side
    129,772.24x = 13,079,073,265.15
  5. Step 5: Solve for x
    x = 13,079,073,265.15/129,772.24
  6. Step 6: Final answer
    x = 100,784.83

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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.