Home / 246,152.66-339,685.96-138,720.55

Finding the Fourth Proportional to 246,152.66, 339,685.96 and 138,720.55

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Solution

The fourth proportional to 246,152.66, 339,685.96 and 138,720.55 is: 191,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,152.66 : 339,685.96 = 138,720.55 : x
  2. Step 2: Convert to fraction form
    246,152.66/339,685.96 = 138,720.55/x
  3. Step 3: Cross multiply
    246,152.66x = 339,685.96 × 138,720.55
  4. Step 4: Simplify right side
    246,152.66x = 47,121,423,198.48
  5. Step 5: Solve for x
    x = 47,121,423,198.48/246,152.66
  6. Step 6: Final answer
    x = 191,431.70

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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.