Home / 111,778.20-167,667.30-32,892.45

Finding the Fourth Proportional to 111,778.20, 167,667.30 and 32,892.45

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Solution

The fourth proportional to 111,778.20, 167,667.30 and 32,892.45 is: 49,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,778.20 : 167,667.30 = 32,892.45 : x
  2. Step 2: Convert to fraction form
    111,778.20/167,667.30 = 32,892.45/x
  3. Step 3: Cross multiply
    111,778.20x = 167,667.30 × 32,892.45
  4. Step 4: Simplify right side
    111,778.20x = 5,514,988,281.89
  5. Step 5: Solve for x
    x = 5,514,988,281.89/111,778.20
  6. Step 6: Final answer
    x = 49,338.68

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1.5x scale

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.