Home / 168,078.20-231,944.82-91,597.91

Finding the Fourth Proportional to 168,078.20, 231,944.82 and 91,597.91

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Solution

The fourth proportional to 168,078.20, 231,944.82 and 91,597.91 is: 126,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,078.20 : 231,944.82 = 91,597.91 : x
  2. Step 2: Convert to fraction form
    168,078.20/231,944.82 = 91,597.91/x
  3. Step 3: Cross multiply
    168,078.20x = 231,944.82 × 91,597.91
  4. Step 4: Simplify right side
    168,078.20x = 21,245,660,747.33
  5. Step 5: Solve for x
    x = 21,245,660,747.33/168,078.20
  6. Step 6: Final answer
    x = 126,403.43

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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.