Home / 246,387.90-339,994.93-138,984.33

Finding the Fourth Proportional to 246,387.90, 339,994.93 and 138,984.33

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Solution

The fourth proportional to 246,387.90, 339,994.93 and 138,984.33 is: 191,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,387.90 : 339,994.93 = 138,984.33 : x
  2. Step 2: Convert to fraction form
    246,387.90/339,994.93 = 138,984.33/x
  3. Step 3: Cross multiply
    246,387.90x = 339,994.93 × 138,984.33
  4. Step 4: Simplify right side
    246,387.90x = 47,253,967,549.45
  5. Step 5: Solve for x
    x = 47,253,967,549.45/246,387.90
  6. Step 6: Final answer
    x = 191,786.88

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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.