Home / 203,962.97-305,839.37-91,546.85

Finding the Fourth Proportional to 203,962.97, 305,839.37 and 91,546.85

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Solution

The fourth proportional to 203,962.97, 305,839.37 and 91,546.85 is: 137,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,962.97 : 305,839.37 = 91,546.85 : x
  2. Step 2: Convert to fraction form
    203,962.97/305,839.37 = 91,546.85/x
  3. Step 3: Cross multiply
    203,962.97x = 305,839.37 × 91,546.85
  4. Step 4: Simplify right side
    203,962.97x = 27,998,631,578.37
  5. Step 5: Solve for x
    x = 27,998,631,578.37/203,962.97
  6. Step 6: Final answer
    x = 137,273.11

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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.