Home / 180,396.20-270,596.16-80,561.48

Finding the Fourth Proportional to 180,396.20, 270,596.16 and 80,561.48

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Solution

The fourth proportional to 180,396.20, 270,596.16 and 80,561.48 is: 120,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,396.20 : 270,596.16 = 80,561.48 : x
  2. Step 2: Convert to fraction form
    180,396.20/270,596.16 = 80,561.48/x
  3. Step 3: Cross multiply
    180,396.20x = 270,596.16 × 80,561.48
  4. Step 4: Simplify right side
    180,396.20x = 21,799,627,131.92
  5. Step 5: Solve for x
    x = 21,799,627,131.92/180,396.20
  6. Step 6: Final answer
    x = 120,843.05

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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.