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Finding the Fourth Proportional to 110,922.72, 166,398.12 and 43,446.24

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Solution

The fourth proportional to 110,922.72, 166,398.12 and 43,446.24 is: 65,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,922.72 : 166,398.12 = 43,446.24 : x
  2. Step 2: Convert to fraction form
    110,922.72/166,398.12 = 43,446.24/x
  3. Step 3: Cross multiply
    110,922.72x = 166,398.12 × 43,446.24
  4. Step 4: Simplify right side
    110,922.72x = 7,229,372,657.07
  5. Step 5: Solve for x
    x = 7,229,372,657.07/110,922.72
  6. Step 6: Final answer
    x = 65,174.86

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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.