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Finding the Fourth Proportional to 111,392.52, 167,110.64 and 49,063

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Solution

The fourth proportional to 111,392.52, 167,110.64 and 49,063 is: 73,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,392.52 : 167,110.64 = 49,063 : x
  2. Step 2: Convert to fraction form
    111,392.52/167,110.64 = 49,063/x
  3. Step 3: Cross multiply
    111,392.52x = 167,110.64 × 49,063
  4. Step 4: Simplify right side
    111,392.52x = 8,198,949,330.32
  5. Step 5: Solve for x
    x = 8,198,949,330.32/111,392.52
  6. Step 6: Final answer
    x = 73,604.13

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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.