Home / 198,942.13-274,540.13-108,298.75

Finding the Fourth Proportional to 198,942.13, 274,540.13 and 108,298.75

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Solution

The fourth proportional to 198,942.13, 274,540.13 and 108,298.75 is: 149,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,942.13 : 274,540.13 = 108,298.75 : x
  2. Step 2: Convert to fraction form
    198,942.13/274,540.13 = 108,298.75/x
  3. Step 3: Cross multiply
    198,942.13x = 274,540.13 × 108,298.75
  4. Step 4: Simplify right side
    198,942.13x = 29,732,350,989.64
  5. Step 5: Solve for x
    x = 29,732,350,989.64/198,942.13
  6. Step 6: Final answer
    x = 149,452.26

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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.