Home / 225,982.38-311,845.12-124,005.27

Finding the Fourth Proportional to 225,982.38, 311,845.12 and 124,005.27

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Solution

The fourth proportional to 225,982.38, 311,845.12 and 124,005.27 is: 171,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,982.38 : 311,845.12 = 124,005.27 : x
  2. Step 2: Convert to fraction form
    225,982.38/311,845.12 = 124,005.27/x
  3. Step 3: Cross multiply
    225,982.38x = 311,845.12 × 124,005.27
  4. Step 4: Simplify right side
    225,982.38x = 38,670,438,303.78
  5. Step 5: Solve for x
    x = 38,670,438,303.78/225,982.38
  6. Step 6: Final answer
    x = 171,121.48

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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.