Home / 106,540.80-159,811.20-39,983.10

Finding the Fourth Proportional to 106,540.80, 159,811.20 and 39,983.10

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Solution

The fourth proportional to 106,540.80, 159,811.20 and 39,983.10 is: 59,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540.80 : 159,811.20 = 39,983.10 : x
  2. Step 2: Convert to fraction form
    106,540.80/159,811.20 = 39,983.10/x
  3. Step 3: Cross multiply
    106,540.80x = 159,811.20 × 39,983.10
  4. Step 4: Simplify right side
    106,540.80x = 6,389,747,190.72
  5. Step 5: Solve for x
    x = 6,389,747,190.72/106,540.80
  6. Step 6: Final answer
    x = 59,974.65

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Similar ratio
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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.