Home / 80,205.16-120,232.08-27,577.84

Finding the Fourth Proportional to 80,205.16, 120,232.08 and 27,577.84

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Solution

The fourth proportional to 80,205.16, 120,232.08 and 27,577.84 is: 41,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,205.16 : 120,232.08 = 27,577.84 : x
  2. Step 2: Convert to fraction form
    80,205.16/120,232.08 = 27,577.84/x
  3. Step 3: Cross multiply
    80,205.16x = 120,232.08 × 27,577.84
  4. Step 4: Simplify right side
    80,205.16x = 3,315,741,065.11
  5. Step 5: Solve for x
    x = 3,315,741,065.11/80,205.16
  6. Step 6: Final answer
    x = 41,340.74

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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.