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Finding the Fourth Proportional to 73,571, 110,356.86 and 18,167

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Solution

The fourth proportional to 73,571, 110,356.86 and 18,167 is: 27,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,571 : 110,356.86 = 18,167 : x
  2. Step 2: Convert to fraction form
    73,571/110,356.86 = 18,167/x
  3. Step 3: Cross multiply
    73,571x = 110,356.86 × 18,167
  4. Step 4: Simplify right side
    73,571x = 2,004,853,075.62
  5. Step 5: Solve for x
    x = 2,004,853,075.62/73,571
  6. Step 6: Final answer
    x = 27,250.59

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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.