Home / 97,761.24-134,840.92-89,720.85

Finding the Fourth Proportional to 97,761.24, 134,840.92 and 89,720.85

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Solution

The fourth proportional to 97,761.24, 134,840.92 and 89,720.85 is: 123,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,761.24 : 134,840.92 = 89,720.85 : x
  2. Step 2: Convert to fraction form
    97,761.24/134,840.92 = 89,720.85/x
  3. Step 3: Cross multiply
    97,761.24x = 134,840.92 × 89,720.85
  4. Step 4: Simplify right side
    97,761.24x = 12,098,041,508.58
  5. Step 5: Solve for x
    x = 12,098,041,508.58/97,761.24
  6. Step 6: Final answer
    x = 123,750.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.