Home / 246,286.66-339,872.42-138,891.30

Finding the Fourth Proportional to 246,286.66, 339,872.42 and 138,891.30

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Solution

The fourth proportional to 246,286.66, 339,872.42 and 138,891.30 is: 191,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,286.66 : 339,872.42 = 138,891.30 : x
  2. Step 2: Convert to fraction form
    246,286.66/339,872.42 = 138,891.30/x
  3. Step 3: Cross multiply
    246,286.66x = 339,872.42 × 138,891.30
  4. Step 4: Simplify right side
    246,286.66x = 47,205,322,247.95
  5. Step 5: Solve for x
    x = 47,205,322,247.95/246,286.66
  6. Step 6: Final answer
    x = 191,668.21

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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.