Home / 198,998.29-274,528.92-134,446.78

Finding the Fourth Proportional to 198,998.29, 274,528.92 and 134,446.78

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Solution

The fourth proportional to 198,998.29, 274,528.92 and 134,446.78 is: 185,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,998.29 : 274,528.92 = 134,446.78 : x
  2. Step 2: Convert to fraction form
    198,998.29/274,528.92 = 134,446.78/x
  3. Step 3: Cross multiply
    198,998.29x = 274,528.92 × 134,446.78
  4. Step 4: Simplify right side
    198,998.29x = 36,909,529,310.88
  5. Step 5: Solve for x
    x = 36,909,529,310.88/198,998.29
  6. Step 6: Final answer
    x = 185,476.62

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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.