Home / 87,631.20-131,437.08-25,301.70

Finding the Fourth Proportional to 87,631.20, 131,437.08 and 25,301.70

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Solution

The fourth proportional to 87,631.20, 131,437.08 and 25,301.70 is: 37,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,631.20 : 131,437.08 = 25,301.70 : x
  2. Step 2: Convert to fraction form
    87,631.20/131,437.08 = 25,301.70/x
  3. Step 3: Cross multiply
    87,631.20x = 131,437.08 × 25,301.70
  4. Step 4: Simplify right side
    87,631.20x = 3,325,581,567.04
  5. Step 5: Solve for x
    x = 3,325,581,567.04/87,631.20
  6. Step 6: Final answer
    x = 37,949.74

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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.