Home / 80,179.56-120,233.79-42,732.66

Finding the Fourth Proportional to 80,179.56, 120,233.79 and 42,732.66

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Solution

The fourth proportional to 80,179.56, 120,233.79 and 42,732.66 is: 64,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,179.56 : 120,233.79 = 42,732.66 : x
  2. Step 2: Convert to fraction form
    80,179.56/120,233.79 = 42,732.66/x
  3. Step 3: Cross multiply
    80,179.56x = 120,233.79 × 42,732.66
  4. Step 4: Simplify right side
    80,179.56x = 5,137,909,668.58
  5. Step 5: Solve for x
    x = 5,137,909,668.58/80,179.56
  6. Step 6: Final answer
    x = 64,080.04

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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.