Home / 198,797.31-274,337.37-108,154.08

Finding the Fourth Proportional to 198,797.31, 274,337.37 and 108,154.08

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Solution

The fourth proportional to 198,797.31, 274,337.37 and 108,154.08 is: 149,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,797.31 : 274,337.37 = 108,154.08 : x
  2. Step 2: Convert to fraction form
    198,797.31/274,337.37 = 108,154.08/x
  3. Step 3: Cross multiply
    198,797.31x = 274,337.37 × 108,154.08
  4. Step 4: Simplify right side
    198,797.31x = 29,670,705,861.97
  5. Step 5: Solve for x
    x = 29,670,705,861.97/198,797.31
  6. Step 6: Final answer
    x = 149,251.04

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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.