Home / 80,161.22-120,240.61-27,571.16

Finding the Fourth Proportional to 80,161.22, 120,240.61 and 27,571.16

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Solution

The fourth proportional to 80,161.22, 120,240.61 and 27,571.16 is: 41,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,161.22 : 120,240.61 = 27,571.16 : x
  2. Step 2: Convert to fraction form
    80,161.22/120,240.61 = 27,571.16/x
  3. Step 3: Cross multiply
    80,161.22x = 120,240.61 × 27,571.16
  4. Step 4: Simplify right side
    80,161.22x = 3,315,173,096.81
  5. Step 5: Solve for x
    x = 3,315,173,096.81/80,161.22
  6. Step 6: Final answer
    x = 41,356.32

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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.