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Finding the Fourth Proportional to 164,615.33, 227,169.16 and 89,163.83

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Solution

The fourth proportional to 164,615.33, 227,169.16 and 89,163.83 is: 123,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,615.33 : 227,169.16 = 89,163.83 : x
  2. Step 2: Convert to fraction form
    164,615.33/227,169.16 = 89,163.83/x
  3. Step 3: Cross multiply
    164,615.33x = 227,169.16 × 89,163.83
  4. Step 4: Simplify right side
    164,615.33x = 20,255,272,190.98
  5. Step 5: Solve for x
    x = 20,255,272,190.98/164,615.33
  6. Step 6: Final answer
    x = 123,046.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.