Home / 211,269.56-316,691.11-132,439.15

Finding the Fourth Proportional to 211,269.56, 316,691.11 and 132,439.15

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Solution

The fourth proportional to 211,269.56, 316,691.11 and 132,439.15 is: 198,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,269.56 : 316,691.11 = 132,439.15 : x
  2. Step 2: Convert to fraction form
    211,269.56/316,691.11 = 132,439.15/x
  3. Step 3: Cross multiply
    211,269.56x = 316,691.11 × 132,439.15
  4. Step 4: Simplify right side
    211,269.56x = 41,942,299,175.31
  5. Step 5: Solve for x
    x = 41,942,299,175.31/211,269.56
  6. Step 6: Final answer
    x = 198,525.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.