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Finding the Fourth Proportional to 68,028, 102,049.65 and 18,110.04

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Solution

The fourth proportional to 68,028, 102,049.65 and 18,110.04 is: 27,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,028 : 102,049.65 = 18,110.04 : x
  2. Step 2: Convert to fraction form
    68,028/102,049.65 = 18,110.04/x
  3. Step 3: Cross multiply
    68,028x = 102,049.65 × 18,110.04
  4. Step 4: Simplify right side
    68,028x = 1,848,123,243.49
  5. Step 5: Solve for x
    x = 1,848,123,243.49/68,028
  6. Step 6: Final answer
    x = 27,167.10

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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.