Home / 120,131.85-180,201.38-41,244.87

Finding the Fourth Proportional to 120,131.85, 180,201.38 and 41,244.87

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Solution

The fourth proportional to 120,131.85, 180,201.38 and 41,244.87 is: 61,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,131.85 : 180,201.38 = 41,244.87 : x
  2. Step 2: Convert to fraction form
    120,131.85/180,201.38 = 41,244.87/x
  3. Step 3: Cross multiply
    120,131.85x = 180,201.38 × 41,244.87
  4. Step 4: Simplify right side
    120,131.85x = 7,432,382,285.70
  5. Step 5: Solve for x
    x = 7,432,382,285.70/120,131.85
  6. Step 6: Final answer
    x = 61,868.54

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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.