Home / 225,349.30-310,982.10-124,747.30

Finding the Fourth Proportional to 225,349.30, 310,982.10 and 124,747.30

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Solution

The fourth proportional to 225,349.30, 310,982.10 and 124,747.30 is: 172,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,349.30 : 310,982.10 = 124,747.30 : x
  2. Step 2: Convert to fraction form
    225,349.30/310,982.10 = 124,747.30/x
  3. Step 3: Cross multiply
    225,349.30x = 310,982.10 × 124,747.30
  4. Step 4: Simplify right side
    225,349.30x = 38,794,177,323.33
  5. Step 5: Solve for x
    x = 38,794,177,323.33/225,349.30
  6. Step 6: Final answer
    x = 172,151.31

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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.