Home / 246,229.05-339,786.24-138,821.55

Finding the Fourth Proportional to 246,229.05, 339,786.24 and 138,821.55

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Solution

The fourth proportional to 246,229.05, 339,786.24 and 138,821.55 is: 191,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,229.05 : 339,786.24 = 138,821.55 : x
  2. Step 2: Convert to fraction form
    246,229.05/339,786.24 = 138,821.55/x
  3. Step 3: Cross multiply
    246,229.05x = 339,786.24 × 138,821.55
  4. Step 4: Simplify right side
    246,229.05x = 47,169,652,505.47
  5. Step 5: Solve for x
    x = 47,169,652,505.47/246,229.05
  6. Step 6: Final answer
    x = 191,568.19

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1.5x scale

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.