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Finding the Fourth Proportional to 73,512, 110,269.08 and 18,108

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Solution

The fourth proportional to 73,512, 110,269.08 and 18,108 is: 27,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,512 : 110,269.08 = 18,108 : x
  2. Step 2: Convert to fraction form
    73,512/110,269.08 = 18,108/x
  3. Step 3: Cross multiply
    73,512x = 110,269.08 × 18,108
  4. Step 4: Simplify right side
    73,512x = 1,996,752,500.64
  5. Step 5: Solve for x
    x = 1,996,752,500.64/73,512
  6. Step 6: Final answer
    x = 27,162.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.