Home / 198,997.16-274,618.50-108,352.76

Finding the Fourth Proportional to 198,997.16, 274,618.50 and 108,352.76

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Solution

The fourth proportional to 198,997.16, 274,618.50 and 108,352.76 is: 149,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,997.16 : 274,618.50 = 108,352.76 : x
  2. Step 2: Convert to fraction form
    198,997.16/274,618.50 = 108,352.76/x
  3. Step 3: Cross multiply
    198,997.16x = 274,618.50 × 108,352.76
  4. Step 4: Simplify right side
    198,997.16x = 29,755,672,422.06
  5. Step 5: Solve for x
    x = 29,755,672,422.06/198,997.16
  6. Step 6: Final answer
    x = 149,528.13

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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.