Home / 134,229.96-185,247-80,517.24

Finding the Fourth Proportional to 134,229.96, 185,247 and 80,517.24

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Solution

The fourth proportional to 134,229.96, 185,247 and 80,517.24 is: 111,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,229.96 : 185,247 = 80,517.24 : x
  2. Step 2: Convert to fraction form
    134,229.96/185,247 = 80,517.24/x
  3. Step 3: Cross multiply
    134,229.96x = 185,247 × 80,517.24
  4. Step 4: Simplify right side
    134,229.96x = 14,915,577,158.28
  5. Step 5: Solve for x
    x = 14,915,577,158.28/134,229.96
  6. Step 6: Final answer
    x = 111,119.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.