Home / 198,141.20-273,434.80-113,260.08

Finding the Fourth Proportional to 198,141.20, 273,434.80 and 113,260.08

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Solution

The fourth proportional to 198,141.20, 273,434.80 and 113,260.08 is: 156,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,141.20 : 273,434.80 = 113,260.08 : x
  2. Step 2: Convert to fraction form
    198,141.20/273,434.80 = 113,260.08/x
  3. Step 3: Cross multiply
    198,141.20x = 273,434.80 × 113,260.08
  4. Step 4: Simplify right side
    198,141.20x = 30,969,247,322.78
  5. Step 5: Solve for x
    x = 30,969,247,322.78/198,141.20
  6. Step 6: Final answer
    x = 156,298.88

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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.