Home / 234,016.20-351,024.30-139,537.80

Finding the Fourth Proportional to 234,016.20, 351,024.30 and 139,537.80

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Solution

The fourth proportional to 234,016.20, 351,024.30 and 139,537.80 is: 209,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,016.20 : 351,024.30 = 139,537.80 : x
  2. Step 2: Convert to fraction form
    234,016.20/351,024.30 = 139,537.80/x
  3. Step 3: Cross multiply
    234,016.20x = 351,024.30 × 139,537.80
  4. Step 4: Simplify right side
    234,016.20x = 48,981,158,568.54
  5. Step 5: Solve for x
    x = 48,981,158,568.54/234,016.20
  6. Step 6: Final answer
    x = 209,306.70

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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.