Home / 254,845.23-351,695.45-140,132.61

Finding the Fourth Proportional to 254,845.23, 351,695.45 and 140,132.61

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Solution

The fourth proportional to 254,845.23, 351,695.45 and 140,132.61 is: 193,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,845.23 : 351,695.45 = 140,132.61 : x
  2. Step 2: Convert to fraction form
    254,845.23/351,695.45 = 140,132.61/x
  3. Step 3: Cross multiply
    254,845.23x = 351,695.45 × 140,132.61
  4. Step 4: Simplify right side
    254,845.23x = 49,284,001,333.62
  5. Step 5: Solve for x
    x = 49,284,001,333.62/254,845.23
  6. Step 6: Final answer
    x = 193,387.97

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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.