Home / 87,508.26-131,329.44-67,737.78

Finding the Fourth Proportional to 87,508.26, 131,329.44 and 67,737.78

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Solution

The fourth proportional to 87,508.26, 131,329.44 and 67,737.78 is: 101,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,508.26 : 131,329.44 = 67,737.78 : x
  2. Step 2: Convert to fraction form
    87,508.26/131,329.44 = 67,737.78/x
  3. Step 3: Cross multiply
    87,508.26x = 131,329.44 × 67,737.78
  4. Step 4: Simplify right side
    87,508.26x = 8,895,964,714.24
  5. Step 5: Solve for x
    x = 8,895,964,714.24/87,508.26
  6. Step 6: Final answer
    x = 101,658.57

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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.