Home / 231,961.88-347,997.32-72,029.64

Finding the Fourth Proportional to 231,961.88, 347,997.32 and 72,029.64

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Solution

The fourth proportional to 231,961.88, 347,997.32 and 72,029.64 is: 108,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,961.88 : 347,997.32 = 72,029.64 : x
  2. Step 2: Convert to fraction form
    231,961.88/347,997.32 = 72,029.64/x
  3. Step 3: Cross multiply
    231,961.88x = 347,997.32 × 72,029.64
  4. Step 4: Simplify right side
    231,961.88x = 25,066,121,680.56
  5. Step 5: Solve for x
    x = 25,066,121,680.56/231,961.88
  6. Step 6: Final answer
    x = 108,061.38

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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.