Home / 149,133.92-223,700.82-54,371.20

Finding the Fourth Proportional to 149,133.92, 223,700.82 and 54,371.20

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Solution

The fourth proportional to 149,133.92, 223,700.82 and 54,371.20 is: 81,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,133.92 : 223,700.82 = 54,371.20 : x
  2. Step 2: Convert to fraction form
    149,133.92/223,700.82 = 54,371.20/x
  3. Step 3: Cross multiply
    149,133.92x = 223,700.82 × 54,371.20
  4. Step 4: Simplify right side
    149,133.92x = 12,162,882,024.38
  5. Step 5: Solve for x
    x = 12,162,882,024.38/149,133.92
  6. Step 6: Final answer
    x = 81,556.78

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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.