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Finding the Fourth Proportional to 111,092.96, 166,680.48 and 51,947.84

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Solution

The fourth proportional to 111,092.96, 166,680.48 and 51,947.84 is: 77,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,092.96 : 166,680.48 = 51,947.84 : x
  2. Step 2: Convert to fraction form
    111,092.96/166,680.48 = 51,947.84/x
  3. Step 3: Cross multiply
    111,092.96x = 166,680.48 × 51,947.84
  4. Step 4: Simplify right side
    111,092.96x = 8,658,690,906.16
  5. Step 5: Solve for x
    x = 8,658,690,906.16/111,092.96
  6. Step 6: Final answer
    x = 77,940.95

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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.