Home / 207,938.27-311,649-95,499.20

Finding the Fourth Proportional to 207,938.27, 311,649 and 95,499.20

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Solution

The fourth proportional to 207,938.27, 311,649 and 95,499.20 is: 143,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,938.27 : 311,649 = 95,499.20 : x
  2. Step 2: Convert to fraction form
    207,938.27/311,649 = 95,499.20/x
  3. Step 3: Cross multiply
    207,938.27x = 311,649 × 95,499.20
  4. Step 4: Simplify right side
    207,938.27x = 29,762,230,180.80
  5. Step 5: Solve for x
    x = 29,762,230,180.80/207,938.27
  6. Step 6: Final answer
    x = 143,130.12

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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.