Home / 217,750.20-300,613.86-131,723.34

Finding the Fourth Proportional to 217,750.20, 300,613.86 and 131,723.34

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Solution

The fourth proportional to 217,750.20, 300,613.86 and 131,723.34 is: 181,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,750.20 : 300,613.86 = 131,723.34 : x
  2. Step 2: Convert to fraction form
    217,750.20/300,613.86 = 131,723.34/x
  3. Step 3: Cross multiply
    217,750.20x = 300,613.86 × 131,723.34
  4. Step 4: Simplify right side
    217,750.20x = 39,597,861,689.49
  5. Step 5: Solve for x
    x = 39,597,861,689.49/217,750.20
  6. Step 6: Final answer
    x = 181,849.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.