Home / 198,948.29-274,552.13-108,306.86

Finding the Fourth Proportional to 198,948.29, 274,552.13 and 108,306.86

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Solution

The fourth proportional to 198,948.29, 274,552.13 and 108,306.86 is: 149,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,948.29 : 274,552.13 = 108,306.86 : x
  2. Step 2: Convert to fraction form
    198,948.29/274,552.13 = 108,306.86/x
  3. Step 3: Cross multiply
    198,948.29x = 274,552.13 × 108,306.86
  4. Step 4: Simplify right side
    198,948.29x = 29,735,878,004.62
  5. Step 5: Solve for x
    x = 29,735,878,004.62/198,948.29
  6. Step 6: Final answer
    x = 149,465.36

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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.