Home / 207,434.20-311,167.62-102,195.76

Finding the Fourth Proportional to 207,434.20, 311,167.62 and 102,195.76

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Solution

The fourth proportional to 207,434.20, 311,167.62 and 102,195.76 is: 153,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,434.20 : 311,167.62 = 102,195.76 : x
  2. Step 2: Convert to fraction form
    207,434.20/311,167.62 = 102,195.76/x
  3. Step 3: Cross multiply
    207,434.20x = 311,167.62 × 102,195.76
  4. Step 4: Simplify right side
    207,434.20x = 31,800,011,413.29
  5. Step 5: Solve for x
    x = 31,800,011,413.29/207,434.20
  6. Step 6: Final answer
    x = 153,301.68

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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.