Home / 198,948.38-274,576.55-127,480.66

Finding the Fourth Proportional to 198,948.38, 274,576.55 and 127,480.66

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Solution

The fourth proportional to 198,948.38, 274,576.55 and 127,480.66 is: 175,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,948.38 : 274,576.55 = 127,480.66 : x
  2. Step 2: Convert to fraction form
    198,948.38/274,576.55 = 127,480.66/x
  3. Step 3: Cross multiply
    198,948.38x = 274,576.55 × 127,480.66
  4. Step 4: Simplify right side
    198,948.38x = 35,003,198,490.68
  5. Step 5: Solve for x
    x = 35,003,198,490.68/198,948.38
  6. Step 6: Final answer
    x = 175,941.11

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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.