Home / 87,388.50-131,082.80-37,436.28

Finding the Fourth Proportional to 87,388.50, 131,082.80 and 37,436.28

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Solution

The fourth proportional to 87,388.50, 131,082.80 and 37,436.28 is: 56,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,388.50 : 131,082.80 = 37,436.28 : x
  2. Step 2: Convert to fraction form
    87,388.50/131,082.80 = 37,436.28/x
  3. Step 3: Cross multiply
    87,388.50x = 131,082.80 × 37,436.28
  4. Step 4: Simplify right side
    87,388.50x = 4,907,252,497.57
  5. Step 5: Solve for x
    x = 4,907,252,497.57/87,388.50
  6. Step 6: Final answer
    x = 56,154.44

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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.