Home / 166,864.38-250,334.55-54,543.12

Finding the Fourth Proportional to 166,864.38, 250,334.55 and 54,543.12

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Solution

The fourth proportional to 166,864.38, 250,334.55 and 54,543.12 is: 81,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,864.38 : 250,334.55 = 54,543.12 : x
  2. Step 2: Convert to fraction form
    166,864.38/250,334.55 = 54,543.12/x
  3. Step 3: Cross multiply
    166,864.38x = 250,334.55 × 54,543.12
  4. Step 4: Simplify right side
    166,864.38x = 13,654,027,400.80
  5. Step 5: Solve for x
    x = 13,654,027,400.80/166,864.38
  6. Step 6: Final answer
    x = 81,827.09

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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.