Home / 120,821.68-181,195.48-57,608.44

Finding the Fourth Proportional to 120,821.68, 181,195.48 and 57,608.44

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Solution

The fourth proportional to 120,821.68, 181,195.48 and 57,608.44 is: 86,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,821.68 : 181,195.48 = 57,608.44 : x
  2. Step 2: Convert to fraction form
    120,821.68/181,195.48 = 57,608.44/x
  3. Step 3: Cross multiply
    120,821.68x = 181,195.48 × 57,608.44
  4. Step 4: Simplify right side
    120,821.68x = 10,438,388,937.85
  5. Step 5: Solve for x
    x = 10,438,388,937.85/120,821.68
  6. Step 6: Final answer
    x = 86,395.00

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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.