Home / 168,106.64-231,985.68-91,625.73

Finding the Fourth Proportional to 168,106.64, 231,985.68 and 91,625.73

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Solution

The fourth proportional to 168,106.64, 231,985.68 and 91,625.73 is: 126,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,106.64 : 231,985.68 = 91,625.73 : x
  2. Step 2: Convert to fraction form
    168,106.64/231,985.68 = 91,625.73/x
  3. Step 3: Cross multiply
    168,106.64x = 231,985.68 × 91,625.73
  4. Step 4: Simplify right side
    168,106.64x = 21,255,856,821.42
  5. Step 5: Solve for x
    x = 21,255,856,821.42/168,106.64
  6. Step 6: Final answer
    x = 126,442.70

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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.