Home / 169,839.78-254,760.27-51,512.14

Finding the Fourth Proportional to 169,839.78, 254,760.27 and 51,512.14

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Solution

The fourth proportional to 169,839.78, 254,760.27 and 51,512.14 is: 77,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,839.78 : 254,760.27 = 51,512.14 : x
  2. Step 2: Convert to fraction form
    169,839.78/254,760.27 = 51,512.14/x
  3. Step 3: Cross multiply
    169,839.78x = 254,760.27 × 51,512.14
  4. Step 4: Simplify right side
    169,839.78x = 13,123,246,694.68
  5. Step 5: Solve for x
    x = 13,123,246,694.68/169,839.78
  6. Step 6: Final answer
    x = 77,268.39

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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.