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Finding the Fourth Proportional to 110,704.31, 166,015.45 and 35,805.03

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Solution

The fourth proportional to 110,704.31, 166,015.45 and 35,805.03 is: 53,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,704.31 : 166,015.45 = 35,805.03 : x
  2. Step 2: Convert to fraction form
    110,704.31/166,015.45 = 35,805.03/x
  3. Step 3: Cross multiply
    110,704.31x = 166,015.45 × 35,805.03
  4. Step 4: Simplify right side
    110,704.31x = 5,944,188,167.71
  5. Step 5: Solve for x
    x = 5,944,188,167.71/110,704.31
  6. Step 6: Final answer
    x = 53,694.28

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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.