Home / 207,439.55-311,001.38-95,151.68

Finding the Fourth Proportional to 207,439.55, 311,001.38 and 95,151.68

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Solution

The fourth proportional to 207,439.55, 311,001.38 and 95,151.68 is: 142,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,439.55 : 311,001.38 = 95,151.68 : x
  2. Step 2: Convert to fraction form
    207,439.55/311,001.38 = 95,151.68/x
  3. Step 3: Cross multiply
    207,439.55x = 311,001.38 × 95,151.68
  4. Step 4: Simplify right side
    207,439.55x = 29,592,303,313.56
  5. Step 5: Solve for x
    x = 29,592,303,313.56/207,439.55
  6. Step 6: Final answer
    x = 142,655.07

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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.