Home / 225,939.42-311,785.88-123,962.58

Finding the Fourth Proportional to 225,939.42, 311,785.88 and 123,962.58

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Solution

The fourth proportional to 225,939.42, 311,785.88 and 123,962.58 is: 171,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,939.42 : 311,785.88 = 123,962.58 : x
  2. Step 2: Convert to fraction form
    225,939.42/311,785.88 = 123,962.58/x
  3. Step 3: Cross multiply
    225,939.42x = 311,785.88 × 123,962.58
  4. Step 4: Simplify right side
    225,939.42x = 38,649,781,472.56
  5. Step 5: Solve for x
    x = 38,649,781,472.56/225,939.42
  6. Step 6: Final answer
    x = 171,062.59

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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.