Home / 198,460.72-273,874.66-107,815.96

Finding the Fourth Proportional to 198,460.72, 273,874.66 and 107,815.96

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Solution

The fourth proportional to 198,460.72, 273,874.66 and 107,815.96 is: 148,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,460.72 : 273,874.66 = 107,815.96 : x
  2. Step 2: Convert to fraction form
    198,460.72/273,874.66 = 107,815.96/x
  3. Step 3: Cross multiply
    198,460.72x = 273,874.66 × 107,815.96
  4. Step 4: Simplify right side
    198,460.72x = 29,528,059,387.57
  5. Step 5: Solve for x
    x = 29,528,059,387.57/198,460.72
  6. Step 6: Final answer
    x = 148,785.41

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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.