Home / 111,972.20-167,958.30-33,087.20

Finding the Fourth Proportional to 111,972.20, 167,958.30 and 33,087.20

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Solution

The fourth proportional to 111,972.20, 167,958.30 and 33,087.20 is: 49,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,972.20 : 167,958.30 = 33,087.20 : x
  2. Step 2: Convert to fraction form
    111,972.20/167,958.30 = 33,087.20/x
  3. Step 3: Cross multiply
    111,972.20x = 167,958.30 × 33,087.20
  4. Step 4: Simplify right side
    111,972.20x = 5,557,269,863.76
  5. Step 5: Solve for x
    x = 5,557,269,863.76/111,972.20
  6. Step 6: Final answer
    x = 49,630.80

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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.