Home / 198,934.20-274,532.68-108,292.76

Finding the Fourth Proportional to 198,934.20, 274,532.68 and 108,292.76

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Solution

The fourth proportional to 198,934.20, 274,532.68 and 108,292.76 is: 149,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,934.20 : 274,532.68 = 108,292.76 : x
  2. Step 2: Convert to fraction form
    198,934.20/274,532.68 = 108,292.76/x
  3. Step 3: Cross multiply
    198,934.20x = 274,532.68 × 108,292.76
  4. Step 4: Simplify right side
    198,934.20x = 29,729,901,627.40
  5. Step 5: Solve for x
    x = 29,729,901,627.40/198,934.20
  6. Step 6: Final answer
    x = 149,445.91

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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.