Home / 120,449.44-180,690.75-40,493.61

Finding the Fourth Proportional to 120,449.44, 180,690.75 and 40,493.61

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Solution

The fourth proportional to 120,449.44, 180,690.75 and 40,493.61 is: 60,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,449.44 : 180,690.75 = 40,493.61 : x
  2. Step 2: Convert to fraction form
    120,449.44/180,690.75 = 40,493.61/x
  3. Step 3: Cross multiply
    120,449.44x = 180,690.75 × 40,493.61
  4. Step 4: Simplify right side
    120,449.44x = 7,316,820,761.11
  5. Step 5: Solve for x
    x = 7,316,820,761.11/120,449.44
  6. Step 6: Final answer
    x = 60,745.99

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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.