Home / 198,882.96-274,458.88-108,238.80

Finding the Fourth Proportional to 198,882.96, 274,458.88 and 108,238.80

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Solution

The fourth proportional to 198,882.96, 274,458.88 and 108,238.80 is: 149,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,882.96 : 274,458.88 = 108,238.80 : x
  2. Step 2: Convert to fraction form
    198,882.96/274,458.88 = 108,238.80/x
  3. Step 3: Cross multiply
    198,882.96x = 274,458.88 × 108,238.80
  4. Step 4: Simplify right side
    198,882.96x = 29,707,099,820.54
  5. Step 5: Solve for x
    x = 29,707,099,820.54/198,882.96
  6. Step 6: Final answer
    x = 149,369.76

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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.