Home / 198,921.30-274,502.91-108,277.38

Finding the Fourth Proportional to 198,921.30, 274,502.91 and 108,277.38

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Solution

The fourth proportional to 198,921.30, 274,502.91 and 108,277.38 is: 149,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,921.30 : 274,502.91 = 108,277.38 : x
  2. Step 2: Convert to fraction form
    198,921.30/274,502.91 = 108,277.38/x
  3. Step 3: Cross multiply
    198,921.30x = 274,502.91 × 108,277.38
  4. Step 4: Simplify right side
    198,921.30x = 29,722,455,897.18
  5. Step 5: Solve for x
    x = 29,722,455,897.18/198,921.30
  6. Step 6: Final answer
    x = 149,418.17

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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.