Home / 198,114.96-273,332.16-113,171.88

Finding the Fourth Proportional to 198,114.96, 273,332.16 and 113,171.88

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Solution

The fourth proportional to 198,114.96, 273,332.16 and 113,171.88 is: 156,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,114.96 : 273,332.16 = 113,171.88 : x
  2. Step 2: Convert to fraction form
    198,114.96/273,332.16 = 113,171.88/x
  3. Step 3: Cross multiply
    198,114.96x = 273,332.16 × 113,171.88
  4. Step 4: Simplify right side
    198,114.96x = 30,933,514,411.66
  5. Step 5: Solve for x
    x = 30,933,514,411.66/198,114.96
  6. Step 6: Final answer
    x = 156,139.22

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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.