Home / 87,614.40-131,227.20-67,785.60

Finding the Fourth Proportional to 87,614.40, 131,227.20 and 67,785.60

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Solution

The fourth proportional to 87,614.40, 131,227.20 and 67,785.60 is: 101,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.40 : 131,227.20 = 67,785.60 : x
  2. Step 2: Convert to fraction form
    87,614.40/131,227.20 = 67,785.60/x
  3. Step 3: Cross multiply
    87,614.40x = 131,227.20 × 67,785.60
  4. Step 4: Simplify right side
    87,614.40x = 8,895,314,488.32
  5. Step 5: Solve for x
    x = 8,895,314,488.32/87,614.40
  6. Step 6: Final answer
    x = 101,528.00

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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.