Home / 120,379.20-180,597.60-50,219.52

Finding the Fourth Proportional to 120,379.20, 180,597.60 and 50,219.52

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Solution

The fourth proportional to 120,379.20, 180,597.60 and 50,219.52 is: 75,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,379.20 : 180,597.60 = 50,219.52 : x
  2. Step 2: Convert to fraction form
    120,379.20/180,597.60 = 50,219.52/x
  3. Step 3: Cross multiply
    120,379.20x = 180,597.60 × 50,219.52
  4. Step 4: Simplify right side
    120,379.20x = 9,069,524,785.15
  5. Step 5: Solve for x
    x = 9,069,524,785.15/120,379.20
  6. Step 6: Final answer
    x = 75,341.29

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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.