Home / 198,788.04-274,332.60-108,149.04

Finding the Fourth Proportional to 198,788.04, 274,332.60 and 108,149.04

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Solution

The fourth proportional to 198,788.04, 274,332.60 and 108,149.04 is: 149,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,788.04 : 274,332.60 = 108,149.04 : x
  2. Step 2: Convert to fraction form
    198,788.04/274,332.60 = 108,149.04/x
  3. Step 3: Cross multiply
    198,788.04x = 274,332.60 × 108,149.04
  4. Step 4: Simplify right side
    198,788.04x = 29,668,807,330.70
  5. Step 5: Solve for x
    x = 29,668,807,330.70/198,788.04
  6. Step 6: Final answer
    x = 149,248.45

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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.