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Finding the Fourth Proportional to 68,500, 102,750 and 19,252

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Solution

The fourth proportional to 68,500, 102,750 and 19,252 is: 28,878

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,500 : 102,750 = 19,252 : x
  2. Step 2: Convert to fraction form
    68,500/102,750 = 19,252/x
  3. Step 3: Cross multiply
    68,500x = 102,750 × 19,252
  4. Step 4: Simplify right side
    68,500x = 1,978,143,000
  5. Step 5: Solve for x
    x = 1,978,143,000/68,500
  6. Step 6: Final answer
    x = 28,878

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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.