Home / 198,534.82-273,979.17-107,891.54

Finding the Fourth Proportional to 198,534.82, 273,979.17 and 107,891.54

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Solution

The fourth proportional to 198,534.82, 273,979.17 and 107,891.54 is: 148,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,534.82 : 273,979.17 = 107,891.54 : x
  2. Step 2: Convert to fraction form
    198,534.82/273,979.17 = 107,891.54/x
  3. Step 3: Cross multiply
    198,534.82x = 273,979.17 × 107,891.54
  4. Step 4: Simplify right side
    198,534.82x = 29,560,034,579.22
  5. Step 5: Solve for x
    x = 29,560,034,579.22/198,534.82
  6. Step 6: Final answer
    x = 148,890.93

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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.