Home / 231,839.67-347,659.25-80,052.75

Finding the Fourth Proportional to 231,839.67, 347,659.25 and 80,052.75

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Solution

The fourth proportional to 231,839.67, 347,659.25 and 80,052.75 is: 120,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,839.67 : 347,659.25 = 80,052.75 : x
  2. Step 2: Convert to fraction form
    231,839.67/347,659.25 = 80,052.75/x
  3. Step 3: Cross multiply
    231,839.67x = 347,659.25 × 80,052.75
  4. Step 4: Simplify right side
    231,839.67x = 27,831,078,625.17
  5. Step 5: Solve for x
    x = 27,831,078,625.17/231,839.67
  6. Step 6: Final answer
    x = 120,044.51

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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.