Home / 137,732.20-206,306.70-120,236.20

Finding the Fourth Proportional to 137,732.20, 206,306.70 and 120,236.20

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Solution

The fourth proportional to 137,732.20, 206,306.70 and 120,236.20 is: 180,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,732.20 : 206,306.70 = 120,236.20 : x
  2. Step 2: Convert to fraction form
    137,732.20/206,306.70 = 120,236.20/x
  3. Step 3: Cross multiply
    137,732.20x = 206,306.70 × 120,236.20
  4. Step 4: Simplify right side
    137,732.20x = 24,805,533,642.54
  5. Step 5: Solve for x
    x = 24,805,533,642.54/137,732.20
  6. Step 6: Final answer
    x = 180,099.74

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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.