Home / 87,459.20-131,189.58-25,129.68

Finding the Fourth Proportional to 87,459.20, 131,189.58 and 25,129.68

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Solution

The fourth proportional to 87,459.20, 131,189.58 and 25,129.68 is: 37,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,459.20 : 131,189.58 = 25,129.68 : x
  2. Step 2: Convert to fraction form
    87,459.20/131,189.58 = 25,129.68/x
  3. Step 3: Cross multiply
    87,459.20x = 131,189.58 × 25,129.68
  4. Step 4: Simplify right side
    87,459.20x = 3,296,752,164.73
  5. Step 5: Solve for x
    x = 3,296,752,164.73/87,459.20
  6. Step 6: Final answer
    x = 37,694.74

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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.