Home / 120,626.10-180,939.62-50,456.19

Finding the Fourth Proportional to 120,626.10, 180,939.62 and 50,456.19

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Solution

The fourth proportional to 120,626.10, 180,939.62 and 50,456.19 is: 75,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,626.10 : 180,939.62 = 50,456.19 : x
  2. Step 2: Convert to fraction form
    120,626.10/180,939.62 = 50,456.19/x
  3. Step 3: Cross multiply
    120,626.10x = 180,939.62 × 50,456.19
  4. Step 4: Simplify right side
    120,626.10x = 9,129,523,592.97
  5. Step 5: Solve for x
    x = 9,129,523,592.97/120,626.10
  6. Step 6: Final answer
    x = 75,684.48

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1.5x scale

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.