Home / 100,556.24-150,853.82-38,221.88

Finding the Fourth Proportional to 100,556.24, 150,853.82 and 38,221.88

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Solution

The fourth proportional to 100,556.24, 150,853.82 and 38,221.88 is: 57,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,556.24 : 150,853.82 = 38,221.88 : x
  2. Step 2: Convert to fraction form
    100,556.24/150,853.82 = 38,221.88/x
  3. Step 3: Cross multiply
    100,556.24x = 150,853.82 × 38,221.88
  4. Step 4: Simplify right side
    100,556.24x = 5,765,915,660.20
  5. Step 5: Solve for x
    x = 5,765,915,660.20/100,556.24
  6. Step 6: Final answer
    x = 57,340.21

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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.