Home / 120,891.04-181,440.24-49,867.36

Finding the Fourth Proportional to 120,891.04, 181,440.24 and 49,867.36

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Solution

The fourth proportional to 120,891.04, 181,440.24 and 49,867.36 is: 74,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,891.04 : 181,440.24 = 49,867.36 : x
  2. Step 2: Convert to fraction form
    120,891.04/181,440.24 = 49,867.36/x
  3. Step 3: Cross multiply
    120,891.04x = 181,440.24 × 49,867.36
  4. Step 4: Simplify right side
    120,891.04x = 9,047,945,766.57
  5. Step 5: Solve for x
    x = 9,047,945,766.57/120,891.04
  6. Step 6: Final answer
    x = 74,843.81

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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.