Home / 246,036.90-339,531.94-138,608.22

Finding the Fourth Proportional to 246,036.90, 339,531.94 and 138,608.22

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Solution

The fourth proportional to 246,036.90, 339,531.94 and 138,608.22 is: 191,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,036.90 : 339,531.94 = 138,608.22 : x
  2. Step 2: Convert to fraction form
    246,036.90/339,531.94 = 138,608.22/x
  3. Step 3: Cross multiply
    246,036.90x = 339,531.94 × 138,608.22
  4. Step 4: Simplify right side
    246,036.90x = 47,061,917,836.55
  5. Step 5: Solve for x
    x = 47,061,917,836.55/246,036.90
  6. Step 6: Final answer
    x = 191,279.92

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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.