Home / 137,343.38-206,091.60-74,162.16

Finding the Fourth Proportional to 137,343.38, 206,091.60 and 74,162.16

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Solution

The fourth proportional to 137,343.38, 206,091.60 and 74,162.16 is: 111,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,343.38 : 206,091.60 = 74,162.16 : x
  2. Step 2: Convert to fraction form
    137,343.38/206,091.60 = 74,162.16/x
  3. Step 3: Cross multiply
    137,343.38x = 206,091.60 × 74,162.16
  4. Step 4: Simplify right side
    137,343.38x = 15,284,198,213.86
  5. Step 5: Solve for x
    x = 15,284,198,213.86/137,343.38
  6. Step 6: Final answer
    x = 111,284.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.