Home / 258,180.48-386,441.91-137,936.94

Finding the Fourth Proportional to 258,180.48, 386,441.91 and 137,936.94

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Solution

The fourth proportional to 258,180.48, 386,441.91 and 137,936.94 is: 206,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,180.48 : 386,441.91 = 137,936.94 : x
  2. Step 2: Convert to fraction form
    258,180.48/386,441.91 = 137,936.94/x
  3. Step 3: Cross multiply
    258,180.48x = 386,441.91 × 137,936.94
  4. Step 4: Simplify right side
    258,180.48x = 53,304,614,553.16
  5. Step 5: Solve for x
    x = 53,304,614,553.16/258,180.48
  6. Step 6: Final answer
    x = 206,462.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.