Home / 198,975.92-274,585.12-108,331.70

Finding the Fourth Proportional to 198,975.92, 274,585.12 and 108,331.70

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Solution

The fourth proportional to 198,975.92, 274,585.12 and 108,331.70 is: 149,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,975.92 : 274,585.12 = 108,331.70 : x
  2. Step 2: Convert to fraction form
    198,975.92/274,585.12 = 108,331.70/x
  3. Step 3: Cross multiply
    198,975.92x = 274,585.12 × 108,331.70
  4. Step 4: Simplify right side
    198,975.92x = 29,746,272,844.30
  5. Step 5: Solve for x
    x = 29,746,272,844.30/198,975.92
  6. Step 6: Final answer
    x = 149,496.85

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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.