Home / 120,620.20-180,897.90-41,758.60

Finding the Fourth Proportional to 120,620.20, 180,897.90 and 41,758.60

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Solution

The fourth proportional to 120,620.20, 180,897.90 and 41,758.60 is: 62,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,620.20 : 180,897.90 = 41,758.60 : x
  2. Step 2: Convert to fraction form
    120,620.20/180,897.90 = 41,758.60/x
  3. Step 3: Cross multiply
    120,620.20x = 180,897.90 × 41,758.60
  4. Step 4: Simplify right side
    120,620.20x = 7,554,043,046.94
  5. Step 5: Solve for x
    x = 7,554,043,046.94/120,620.20
  6. Step 6: Final answer
    x = 62,626.68

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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.