Home / 181,115.99-271,563.22-86,375.15

Finding the Fourth Proportional to 181,115.99, 271,563.22 and 86,375.15

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Solution

The fourth proportional to 181,115.99, 271,563.22 and 86,375.15 is: 129,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,115.99 : 271,563.22 = 86,375.15 : x
  2. Step 2: Convert to fraction form
    181,115.99/271,563.22 = 86,375.15/x
  3. Step 3: Cross multiply
    181,115.99x = 271,563.22 × 86,375.15
  4. Step 4: Simplify right side
    181,115.99x = 23,456,314,324.95
  5. Step 5: Solve for x
    x = 23,456,314,324.95/181,115.99
  6. Step 6: Final answer
    x = 129,509.90

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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.