Home / 80,161.12-120,258.08-27,563.77

Finding the Fourth Proportional to 80,161.12, 120,258.08 and 27,563.77

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Solution

The fourth proportional to 80,161.12, 120,258.08 and 27,563.77 is: 41,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,161.12 : 120,258.08 = 27,563.77 : x
  2. Step 2: Convert to fraction form
    80,161.12/120,258.08 = 27,563.77/x
  3. Step 3: Cross multiply
    80,161.12x = 120,258.08 × 27,563.77
  4. Step 4: Simplify right side
    80,161.12x = 3,314,766,057.76
  5. Step 5: Solve for x
    x = 3,314,766,057.76/80,161.12
  6. Step 6: Final answer
    x = 41,351.29

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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.