Home / 87,256.85-131,082.10-52,221.11

Finding the Fourth Proportional to 87,256.85, 131,082.10 and 52,221.11

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Solution

The fourth proportional to 87,256.85, 131,082.10 and 52,221.11 is: 78,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,256.85 : 131,082.10 = 52,221.11 : x
  2. Step 2: Convert to fraction form
    87,256.85/131,082.10 = 52,221.11/x
  3. Step 3: Cross multiply
    87,256.85x = 131,082.10 × 52,221.11
  4. Step 4: Simplify right side
    87,256.85x = 6,845,251,977.17
  5. Step 5: Solve for x
    x = 6,845,251,977.17/87,256.85
  6. Step 6: Final answer
    x = 78,449.46

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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.