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Finding the Fourth Proportional to 68,806, 103,226.34 and 19,558

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Solution

The fourth proportional to 68,806, 103,226.34 and 19,558 is: 29,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,806 : 103,226.34 = 19,558 : x
  2. Step 2: Convert to fraction form
    68,806/103,226.34 = 19,558/x
  3. Step 3: Cross multiply
    68,806x = 103,226.34 × 19,558
  4. Step 4: Simplify right side
    68,806x = 2,018,900,757.72
  5. Step 5: Solve for x
    x = 2,018,900,757.72/68,806
  6. Step 6: Final answer
    x = 29,341.93

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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.