Home / 108,512.06-162,571.25-80,119.33

Finding the Fourth Proportional to 108,512.06, 162,571.25 and 80,119.33

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Solution

The fourth proportional to 108,512.06, 162,571.25 and 80,119.33 is: 120,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,512.06 : 162,571.25 = 80,119.33 : x
  2. Step 2: Convert to fraction form
    108,512.06/162,571.25 = 80,119.33/x
  3. Step 3: Cross multiply
    108,512.06x = 162,571.25 × 80,119.33
  4. Step 4: Simplify right side
    108,512.06x = 13,025,099,421.13
  5. Step 5: Solve for x
    x = 13,025,099,421.13/108,512.06
  6. Step 6: Final answer
    x = 120,033.66

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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.