Home / 207,348.16-311,007.42-80,964.73

Finding the Fourth Proportional to 207,348.16, 311,007.42 and 80,964.73

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Solution

The fourth proportional to 207,348.16, 311,007.42 and 80,964.73 is: 121,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,348.16 : 311,007.42 = 80,964.73 : x
  2. Step 2: Convert to fraction form
    207,348.16/311,007.42 = 80,964.73/x
  3. Step 3: Cross multiply
    207,348.16x = 311,007.42 × 80,964.73
  4. Step 4: Simplify right side
    207,348.16x = 25,180,631,788.30
  5. Step 5: Solve for x
    x = 25,180,631,788.30/207,348.16
  6. Step 6: Final answer
    x = 121,441.31

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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.