Home / 246,354.89-339,974.69-138,904.13

Finding the Fourth Proportional to 246,354.89, 339,974.69 and 138,904.13

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Solution

The fourth proportional to 246,354.89, 339,974.69 and 138,904.13 is: 191,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,354.89 : 339,974.69 = 138,904.13 : x
  2. Step 2: Convert to fraction form
    246,354.89/339,974.69 = 138,904.13/x
  3. Step 3: Cross multiply
    246,354.89x = 339,974.69 × 138,904.13
  4. Step 4: Simplify right side
    246,354.89x = 47,223,888,691.89
  5. Step 5: Solve for x
    x = 47,223,888,691.89/246,354.89
  6. Step 6: Final answer
    x = 191,690.49

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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.