Home / 246,161.80-339,710.40-138,725.92

Finding the Fourth Proportional to 246,161.80, 339,710.40 and 138,725.92

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Solution

The fourth proportional to 246,161.80, 339,710.40 and 138,725.92 is: 191,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,161.80 : 339,710.40 = 138,725.92 : x
  2. Step 2: Convert to fraction form
    246,161.80/339,710.40 = 138,725.92/x
  3. Step 3: Cross multiply
    246,161.80x = 339,710.40 × 138,725.92
  4. Step 4: Simplify right side
    246,161.80x = 47,126,637,773.57
  5. Step 5: Solve for x
    x = 47,126,637,773.57/246,161.80
  6. Step 6: Final answer
    x = 191,445.78

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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.