Home / 193,321.28-266,765.44-108,421.92

Finding the Fourth Proportional to 193,321.28, 266,765.44 and 108,421.92

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Solution

The fourth proportional to 193,321.28, 266,765.44 and 108,421.92 is: 149,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,321.28 : 266,765.44 = 108,421.92 : x
  2. Step 2: Convert to fraction form
    193,321.28/266,765.44 = 108,421.92/x
  3. Step 3: Cross multiply
    193,321.28x = 266,765.44 × 108,421.92
  4. Step 4: Simplify right side
    193,321.28x = 28,923,221,194.44
  5. Step 5: Solve for x
    x = 28,923,221,194.44/193,321.28
  6. Step 6: Final answer
    x = 149,612.20

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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.