Home / 87,710.60-131,587.50-25,387.40

Finding the Fourth Proportional to 87,710.60, 131,587.50 and 25,387.40

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Solution

The fourth proportional to 87,710.60, 131,587.50 and 25,387.40 is: 38,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,710.60 : 131,587.50 = 25,387.40 : x
  2. Step 2: Convert to fraction form
    87,710.60/131,587.50 = 25,387.40/x
  3. Step 3: Cross multiply
    87,710.60x = 131,587.50 × 25,387.40
  4. Step 4: Simplify right side
    87,710.60x = 3,340,664,497.50
  5. Step 5: Solve for x
    x = 3,340,664,497.50/87,710.60
  6. Step 6: Final answer
    x = 38,087.35

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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.