Home / 137,592.20-206,447.61-74,456.70

Finding the Fourth Proportional to 137,592.20, 206,447.61 and 74,456.70

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Solution

The fourth proportional to 137,592.20, 206,447.61 and 74,456.70 is: 111,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,592.20 : 206,447.61 = 74,456.70 : x
  2. Step 2: Convert to fraction form
    137,592.20/206,447.61 = 74,456.70/x
  3. Step 3: Cross multiply
    137,592.20x = 206,447.61 × 74,456.70
  4. Step 4: Simplify right side
    137,592.20x = 15,371,407,763.49
  5. Step 5: Solve for x
    x = 15,371,407,763.49/137,592.20
  6. Step 6: Final answer
    x = 111,717.15

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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.