Home / 87,175.28-130,597.95-51,529.88

Finding the Fourth Proportional to 87,175.28, 130,597.95 and 51,529.88

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Solution

The fourth proportional to 87,175.28, 130,597.95 and 51,529.88 is: 77,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,175.28 : 130,597.95 = 51,529.88 : x
  2. Step 2: Convert to fraction form
    87,175.28/130,597.95 = 51,529.88/x
  3. Step 3: Cross multiply
    87,175.28x = 130,597.95 × 51,529.88
  4. Step 4: Simplify right side
    87,175.28x = 6,729,696,691.75
  5. Step 5: Solve for x
    x = 6,729,696,691.75/87,175.28
  6. Step 6: Final answer
    x = 77,197.31

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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.