Home / 198,839.95-274,402.41-108,196.38

Finding the Fourth Proportional to 198,839.95, 274,402.41 and 108,196.38

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Solution

The fourth proportional to 198,839.95, 274,402.41 and 108,196.38 is: 149,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,839.95 : 274,402.41 = 108,196.38 : x
  2. Step 2: Convert to fraction form
    198,839.95/274,402.41 = 108,196.38/x
  3. Step 3: Cross multiply
    198,839.95x = 274,402.41 × 108,196.38
  4. Step 4: Simplify right side
    198,839.95x = 29,689,347,425.28
  5. Step 5: Solve for x
    x = 29,689,347,425.28/198,839.95
  6. Step 6: Final answer
    x = 149,312.79

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1.5x scale

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.