Home / 91,016.92-136,549.98-27,839.26

Finding the Fourth Proportional to 91,016.92, 136,549.98 and 27,839.26

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Solution

The fourth proportional to 91,016.92, 136,549.98 and 27,839.26 is: 41,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,016.92 : 136,549.98 = 27,839.26 : x
  2. Step 2: Convert to fraction form
    91,016.92/136,549.98 = 27,839.26/x
  3. Step 3: Cross multiply
    91,016.92x = 136,549.98 × 27,839.26
  4. Step 4: Simplify right side
    91,016.92x = 3,801,450,396.21
  5. Step 5: Solve for x
    x = 3,801,450,396.21/91,016.92
  6. Step 6: Final answer
    x = 41,766.41

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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.