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Finding the Fourth Proportional to 111,304.89, 166,957.29 and 27,064.53

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Solution

The fourth proportional to 111,304.89, 166,957.29 and 27,064.53 is: 40,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,304.89 : 166,957.29 = 27,064.53 : x
  2. Step 2: Convert to fraction form
    111,304.89/166,957.29 = 27,064.53/x
  3. Step 3: Cross multiply
    111,304.89x = 166,957.29 × 27,064.53
  4. Step 4: Simplify right side
    111,304.89x = 4,518,620,583.92
  5. Step 5: Solve for x
    x = 4,518,620,583.92/111,304.89
  6. Step 6: Final answer
    x = 40,596.78

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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.