Home / 168,340.78-252,625.56-68,519.17

Finding the Fourth Proportional to 168,340.78, 252,625.56 and 68,519.17

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Solution

The fourth proportional to 168,340.78, 252,625.56 and 68,519.17 is: 102,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,340.78 : 252,625.56 = 68,519.17 : x
  2. Step 2: Convert to fraction form
    168,340.78/252,625.56 = 68,519.17/x
  3. Step 3: Cross multiply
    168,340.78x = 252,625.56 × 68,519.17
  4. Step 4: Simplify right side
    168,340.78x = 17,309,693,691.99
  5. Step 5: Solve for x
    x = 17,309,693,691.99/168,340.78
  6. Step 6: Final answer
    x = 102,825.31

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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.