Home / 207,344.16-311,001.42-80,960.73

Finding the Fourth Proportional to 207,344.16, 311,001.42 and 80,960.73

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Solution

The fourth proportional to 207,344.16, 311,001.42 and 80,960.73 is: 121,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,344.16 : 311,001.42 = 80,960.73 : x
  2. Step 2: Convert to fraction form
    207,344.16/311,001.42 = 80,960.73/x
  3. Step 3: Cross multiply
    207,344.16x = 311,001.42 × 80,960.73
  4. Step 4: Simplify right side
    207,344.16x = 25,178,901,994.24
  5. Step 5: Solve for x
    x = 25,178,901,994.24/207,344.16
  6. Step 6: Final answer
    x = 121,435.31

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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.