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Finding the Fourth Proportional to 68,814, 103,238.34 and 19,566

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Solution

The fourth proportional to 68,814, 103,238.34 and 19,566 is: 29,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,814 : 103,238.34 = 19,566 : x
  2. Step 2: Convert to fraction form
    68,814/103,238.34 = 19,566/x
  3. Step 3: Cross multiply
    68,814x = 103,238.34 × 19,566
  4. Step 4: Simplify right side
    68,814x = 2,019,961,360.44
  5. Step 5: Solve for x
    x = 2,019,961,360.44/68,814
  6. Step 6: Final answer
    x = 29,353.93

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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.