Home / 198,126.27-273,414.26-113,245.16

Finding the Fourth Proportional to 198,126.27, 273,414.26 and 113,245.16

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Solution

The fourth proportional to 198,126.27, 273,414.26 and 113,245.16 is: 156,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,126.27 : 273,414.26 = 113,245.16 : x
  2. Step 2: Convert to fraction form
    198,126.27/273,414.26 = 113,245.16/x
  3. Step 3: Cross multiply
    198,126.27x = 273,414.26 × 113,245.16
  4. Step 4: Simplify right side
    198,126.27x = 30,962,839,686.68
  5. Step 5: Solve for x
    x = 30,962,839,686.68/198,126.27
  6. Step 6: Final answer
    x = 156,278.32

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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.