Home / 137,249.04-205,844.76-38,730

Finding the Fourth Proportional to 137,249.04, 205,844.76 and 38,730

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Solution

The fourth proportional to 137,249.04, 205,844.76 and 38,730 is: 58,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,249.04 : 205,844.76 = 38,730 : x
  2. Step 2: Convert to fraction form
    137,249.04/205,844.76 = 38,730/x
  3. Step 3: Cross multiply
    137,249.04x = 205,844.76 × 38,730
  4. Step 4: Simplify right side
    137,249.04x = 7,972,367,554.80
  5. Step 5: Solve for x
    x = 7,972,367,554.80/137,249.04
  6. Step 6: Final answer
    x = 58,086.87

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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.