Home / 90,382.33-135,546.12-27,185.68

Finding the Fourth Proportional to 90,382.33, 135,546.12 and 27,185.68

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Solution

The fourth proportional to 90,382.33, 135,546.12 and 27,185.68 is: 40,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,382.33 : 135,546.12 = 27,185.68 : x
  2. Step 2: Convert to fraction form
    90,382.33/135,546.12 = 27,185.68/x
  3. Step 3: Cross multiply
    90,382.33x = 135,546.12 × 27,185.68
  4. Step 4: Simplify right side
    90,382.33x = 3,684,912,765.83
  5. Step 5: Solve for x
    x = 3,684,912,765.83/90,382.33
  6. Step 6: Final answer
    x = 40,770.28

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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.