Home / 120,622.20-180,900.90-41,760.60

Finding the Fourth Proportional to 120,622.20, 180,900.90 and 41,760.60

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Solution

The fourth proportional to 120,622.20, 180,900.90 and 41,760.60 is: 62,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,622.20 : 180,900.90 = 41,760.60 : x
  2. Step 2: Convert to fraction form
    120,622.20/180,900.90 = 41,760.60/x
  3. Step 3: Cross multiply
    120,622.20x = 180,900.90 × 41,760.60
  4. Step 4: Simplify right side
    120,622.20x = 7,554,530,124.54
  5. Step 5: Solve for x
    x = 7,554,530,124.54/120,622.20
  6. Step 6: Final answer
    x = 62,629.68

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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.