Home / 120,220.11-180,342.18-41,323.95

Finding the Fourth Proportional to 120,220.11, 180,342.18 and 41,323.95

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Solution

The fourth proportional to 120,220.11, 180,342.18 and 41,323.95 is: 61,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,220.11 : 180,342.18 = 41,323.95 : x
  2. Step 2: Convert to fraction form
    120,220.11/180,342.18 = 41,323.95/x
  3. Step 3: Cross multiply
    120,220.11x = 180,342.18 × 41,323.95
  4. Step 4: Simplify right side
    120,220.11x = 7,452,451,229.21
  5. Step 5: Solve for x
    x = 7,452,451,229.21/120,220.11
  6. Step 6: Final answer
    x = 61,990.05

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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.