Home / 80,125.54-120,190.77-27,534.28

Finding the Fourth Proportional to 80,125.54, 120,190.77 and 27,534.28

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Solution

The fourth proportional to 80,125.54, 120,190.77 and 27,534.28 is: 41,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,125.54 : 120,190.77 = 27,534.28 : x
  2. Step 2: Convert to fraction form
    80,125.54/120,190.77 = 27,534.28/x
  3. Step 3: Cross multiply
    80,125.54x = 120,190.77 × 27,534.28
  4. Step 4: Simplify right side
    80,125.54x = 3,309,366,314.60
  5. Step 5: Solve for x
    x = 3,309,366,314.60/80,125.54
  6. Step 6: Final answer
    x = 41,302.27

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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.