Home / 198,874.80-274,442.04-108,232.56

Finding the Fourth Proportional to 198,874.80, 274,442.04 and 108,232.56

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Solution

The fourth proportional to 198,874.80, 274,442.04 and 108,232.56 is: 149,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,874.80 : 274,442.04 = 108,232.56 : x
  2. Step 2: Convert to fraction form
    198,874.80/274,442.04 = 108,232.56/x
  3. Step 3: Cross multiply
    198,874.80x = 274,442.04 × 108,232.56
  4. Step 4: Simplify right side
    198,874.80x = 29,703,564,560.82
  5. Step 5: Solve for x
    x = 29,703,564,560.82/198,874.80
  6. Step 6: Final answer
    x = 149,358.11

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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.