Home / 120,872.44-181,387.32-45,993.20

Finding the Fourth Proportional to 120,872.44, 181,387.32 and 45,993.20

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Solution

The fourth proportional to 120,872.44, 181,387.32 and 45,993.20 is: 69,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,872.44 : 181,387.32 = 45,993.20 : x
  2. Step 2: Convert to fraction form
    120,872.44/181,387.32 = 45,993.20/x
  3. Step 3: Cross multiply
    120,872.44x = 181,387.32 × 45,993.20
  4. Step 4: Simplify right side
    120,872.44x = 8,342,583,286.22
  5. Step 5: Solve for x
    x = 8,342,583,286.22/120,872.44
  6. Step 6: Final answer
    x = 69,019.73

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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.