Home / 246,221.66-339,781.11-138,789.65

Finding the Fourth Proportional to 246,221.66, 339,781.11 and 138,789.65

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Solution

The fourth proportional to 246,221.66, 339,781.11 and 138,789.65 is: 191,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,221.66 : 339,781.11 = 138,789.65 : x
  2. Step 2: Convert to fraction form
    246,221.66/339,781.11 = 138,789.65/x
  3. Step 3: Cross multiply
    246,221.66x = 339,781.11 × 138,789.65
  4. Step 4: Simplify right side
    246,221.66x = 47,158,101,333.51
  5. Step 5: Solve for x
    x = 47,158,101,333.51/246,221.66
  6. Step 6: Final answer
    x = 191,527.02

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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.