Home / 198,853.22-274,417.94-108,209.14

Finding the Fourth Proportional to 198,853.22, 274,417.94 and 108,209.14

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Solution

The fourth proportional to 198,853.22, 274,417.94 and 108,209.14 is: 149,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,853.22 : 274,417.94 = 108,209.14 : x
  2. Step 2: Convert to fraction form
    198,853.22/274,417.94 = 108,209.14/x
  3. Step 3: Cross multiply
    198,853.22x = 274,417.94 × 108,209.14
  4. Step 4: Simplify right side
    198,853.22x = 29,694,529,287.97
  5. Step 5: Solve for x
    x = 29,694,529,287.97/198,853.22
  6. Step 6: Final answer
    x = 149,328.88

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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.