Home / 231,734.44-319,820.40-141,143.56

Finding the Fourth Proportional to 231,734.44, 319,820.40 and 141,143.56

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Solution

The fourth proportional to 231,734.44, 319,820.40 and 141,143.56 is: 194,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,734.44 : 319,820.40 = 141,143.56 : x
  2. Step 2: Convert to fraction form
    231,734.44/319,820.40 = 141,143.56/x
  3. Step 3: Cross multiply
    231,734.44x = 319,820.40 × 141,143.56
  4. Step 4: Simplify right side
    231,734.44x = 45,140,589,816.62
  5. Step 5: Solve for x
    x = 45,140,589,816.62/231,734.44
  6. Step 6: Final answer
    x = 194,794.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.