Home / 111,371.20-167,049.12-52,220

Finding the Fourth Proportional to 111,371.20, 167,049.12 and 52,220

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Solution

The fourth proportional to 111,371.20, 167,049.12 and 52,220 is: 78,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,371.20 : 167,049.12 = 52,220 : x
  2. Step 2: Convert to fraction form
    111,371.20/167,049.12 = 52,220/x
  3. Step 3: Cross multiply
    111,371.20x = 167,049.12 × 52,220
  4. Step 4: Simplify right side
    111,371.20x = 8,723,305,046.40
  5. Step 5: Solve for x
    x = 8,723,305,046.40/111,371.20
  6. Step 6: Final answer
    x = 78,326.40

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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.