Home / 198,617.95-274,091.61-112,593.15

Finding the Fourth Proportional to 198,617.95, 274,091.61 and 112,593.15

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Solution

The fourth proportional to 198,617.95, 274,091.61 and 112,593.15 is: 155,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,617.95 : 274,091.61 = 112,593.15 : x
  2. Step 2: Convert to fraction form
    198,617.95/274,091.61 = 112,593.15/x
  3. Step 3: Cross multiply
    198,617.95x = 274,091.61 × 112,593.15
  4. Step 4: Simplify right side
    198,617.95x = 30,860,838,180.70
  5. Step 5: Solve for x
    x = 30,860,838,180.70/198,617.95
  6. Step 6: Final answer
    x = 155,377.89

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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.