Home / 120,644.20-181,010.22-41,766.40

Finding the Fourth Proportional to 120,644.20, 181,010.22 and 41,766.40

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Solution

The fourth proportional to 120,644.20, 181,010.22 and 41,766.40 is: 62,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,644.20 : 181,010.22 = 41,766.40 : x
  2. Step 2: Convert to fraction form
    120,644.20/181,010.22 = 41,766.40/x
  3. Step 3: Cross multiply
    120,644.20x = 181,010.22 × 41,766.40
  4. Step 4: Simplify right side
    120,644.20x = 7,560,145,252.61
  5. Step 5: Solve for x
    x = 7,560,145,252.61/120,644.20
  6. Step 6: Final answer
    x = 62,664.80

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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.