Home / 100,548.24-150,841.79-38,213.88

Finding the Fourth Proportional to 100,548.24, 150,841.79 and 38,213.88

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Solution

The fourth proportional to 100,548.24, 150,841.79 and 38,213.88 is: 57,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,548.24 : 150,841.79 = 38,213.88 : x
  2. Step 2: Convert to fraction form
    100,548.24/150,841.79 = 38,213.88/x
  3. Step 3: Cross multiply
    100,548.24x = 150,841.79 × 38,213.88
  4. Step 4: Simplify right side
    100,548.24x = 5,764,250,062.05
  5. Step 5: Solve for x
    x = 5,764,250,062.05/100,548.24
  6. Step 6: Final answer
    x = 57,328.20

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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.