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Finding the Fourth Proportional to 73,560, 110,340.27 and 18,156

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Solution

The fourth proportional to 73,560, 110,340.27 and 18,156 is: 27,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,560 : 110,340.27 = 18,156 : x
  2. Step 2: Convert to fraction form
    73,560/110,340.27 = 18,156/x
  3. Step 3: Cross multiply
    73,560x = 110,340.27 × 18,156
  4. Step 4: Simplify right side
    73,560x = 2,003,337,942.12
  5. Step 5: Solve for x
    x = 2,003,337,942.12/73,560
  6. Step 6: Final answer
    x = 27,234.07

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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.