Home / 198,279.06-273,625.22-107,635

Finding the Fourth Proportional to 198,279.06, 273,625.22 and 107,635

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Solution

The fourth proportional to 198,279.06, 273,625.22 and 107,635 is: 148,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,279.06 : 273,625.22 = 107,635 : x
  2. Step 2: Convert to fraction form
    198,279.06/273,625.22 = 107,635/x
  3. Step 3: Cross multiply
    198,279.06x = 273,625.22 × 107,635
  4. Step 4: Simplify right side
    198,279.06x = 29,451,650,554.70
  5. Step 5: Solve for x
    x = 29,451,650,554.70/198,279.06
  6. Step 6: Final answer
    x = 148,536.36

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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.