Home / 85,197.60-127,805.76-22,872.96

Finding the Fourth Proportional to 85,197.60, 127,805.76 and 22,872.96

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Solution

The fourth proportional to 85,197.60, 127,805.76 and 22,872.96 is: 34,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,197.60 : 127,805.76 = 22,872.96 : x
  2. Step 2: Convert to fraction form
    85,197.60/127,805.76 = 22,872.96/x
  3. Step 3: Cross multiply
    85,197.60x = 127,805.76 × 22,872.96
  4. Step 4: Simplify right side
    85,197.60x = 2,923,296,036.25
  5. Step 5: Solve for x
    x = 2,923,296,036.25/85,197.60
  6. Step 6: Final answer
    x = 34,311.95

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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.