Home / 137,939.82-206,894.07-38,114.16

Finding the Fourth Proportional to 137,939.82, 206,894.07 and 38,114.16

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Solution

The fourth proportional to 137,939.82, 206,894.07 and 38,114.16 is: 57,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,939.82 : 206,894.07 = 38,114.16 : x
  2. Step 2: Convert to fraction form
    137,939.82/206,894.07 = 38,114.16/x
  3. Step 3: Cross multiply
    137,939.82x = 206,894.07 × 38,114.16
  4. Step 4: Simplify right side
    137,939.82x = 7,885,593,687.03
  5. Step 5: Solve for x
    x = 7,885,593,687.03/137,939.82
  6. Step 6: Final answer
    x = 57,166.91

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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.