Home / 225,356.76-311,008.14-124,761.24

Finding the Fourth Proportional to 225,356.76, 311,008.14 and 124,761.24

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Solution

The fourth proportional to 225,356.76, 311,008.14 and 124,761.24 is: 172,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,356.76 : 311,008.14 = 124,761.24 : x
  2. Step 2: Convert to fraction form
    225,356.76/311,008.14 = 124,761.24/x
  3. Step 3: Cross multiply
    225,356.76x = 311,008.14 × 124,761.24
  4. Step 4: Simplify right side
    225,356.76x = 38,801,761,196.49
  5. Step 5: Solve for x
    x = 38,801,761,196.49/225,356.76
  6. Step 6: Final answer
    x = 172,179.26

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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.