Home / 149,546.52-206,350.38-89,115.66

Finding the Fourth Proportional to 149,546.52, 206,350.38 and 89,115.66

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Solution

The fourth proportional to 149,546.52, 206,350.38 and 89,115.66 is: 122,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,546.52 : 206,350.38 = 89,115.66 : x
  2. Step 2: Convert to fraction form
    149,546.52/206,350.38 = 89,115.66/x
  3. Step 3: Cross multiply
    149,546.52x = 206,350.38 × 89,115.66
  4. Step 4: Simplify right side
    149,546.52x = 18,389,050,304.95
  5. Step 5: Solve for x
    x = 18,389,050,304.95/149,546.52
  6. Step 6: Final answer
    x = 122,965.42

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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.