Home / 166,961.55-250,439.68-53,107.75

Finding the Fourth Proportional to 166,961.55, 250,439.68 and 53,107.75

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Solution

The fourth proportional to 166,961.55, 250,439.68 and 53,107.75 is: 79,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,961.55 : 250,439.68 = 53,107.75 : x
  2. Step 2: Convert to fraction form
    166,961.55/250,439.68 = 53,107.75/x
  3. Step 3: Cross multiply
    166,961.55x = 250,439.68 × 53,107.75
  4. Step 4: Simplify right side
    166,961.55x = 13,300,288,294.95
  5. Step 5: Solve for x
    x = 13,300,288,294.95/166,961.55
  6. Step 6: Final answer
    x = 79,660.78

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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.