Home / 211,377.12-291,691.22-126,540.96

Finding the Fourth Proportional to 211,377.12, 291,691.22 and 126,540.96

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Solution

The fourth proportional to 211,377.12, 291,691.22 and 126,540.96 is: 174,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,377.12 : 291,691.22 = 126,540.96 : x
  2. Step 2: Convert to fraction form
    211,377.12/291,691.22 = 126,540.96/x
  3. Step 3: Cross multiply
    211,377.12x = 291,691.22 × 126,540.96
  4. Step 4: Simplify right side
    211,377.12x = 36,910,887,002.37
  5. Step 5: Solve for x
    x = 36,910,887,002.37/211,377.12
  6. Step 6: Final answer
    x = 174,621.01

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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.