Home / 198,820.73-274,364.39-108,177.06

Finding the Fourth Proportional to 198,820.73, 274,364.39 and 108,177.06

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Solution

The fourth proportional to 198,820.73, 274,364.39 and 108,177.06 is: 149,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,820.73 : 274,364.39 = 108,177.06 : x
  2. Step 2: Convert to fraction form
    198,820.73/274,364.39 = 108,177.06/x
  3. Step 3: Cross multiply
    198,820.73x = 274,364.39 × 108,177.06
  4. Step 4: Simplify right side
    198,820.73x = 29,679,932,538.01
  5. Step 5: Solve for x
    x = 29,679,932,538.01/198,820.73
  6. Step 6: Final answer
    x = 149,279.87

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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.