Home / 217,548.42-300,234.92-120,761.39

Finding the Fourth Proportional to 217,548.42, 300,234.92 and 120,761.39

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Solution

The fourth proportional to 217,548.42, 300,234.92 and 120,761.39 is: 166,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,548.42 : 300,234.92 = 120,761.39 : x
  2. Step 2: Convert to fraction form
    217,548.42/300,234.92 = 120,761.39/x
  3. Step 3: Cross multiply
    217,548.42x = 300,234.92 × 120,761.39
  4. Step 4: Simplify right side
    217,548.42x = 36,256,784,160.76
  5. Step 5: Solve for x
    x = 36,256,784,160.76/217,548.42
  6. Step 6: Final answer
    x = 166,660.76

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1.5x scale

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.