Home / 207,919.43-311,832.06-95,491.56

Finding the Fourth Proportional to 207,919.43, 311,832.06 and 95,491.56

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Solution

The fourth proportional to 207,919.43, 311,832.06 and 95,491.56 is: 143,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,919.43 : 311,832.06 = 95,491.56 : x
  2. Step 2: Convert to fraction form
    207,919.43/311,832.06 = 95,491.56/x
  3. Step 3: Cross multiply
    207,919.43x = 311,832.06 × 95,491.56
  4. Step 4: Simplify right side
    207,919.43x = 29,777,329,867.41
  5. Step 5: Solve for x
    x = 29,777,329,867.41/207,919.43
  6. Step 6: Final answer
    x = 143,215.72

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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.