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Finding the Fourth Proportional to 68,502, 102,753 and 19,254

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Solution

The fourth proportional to 68,502, 102,753 and 19,254 is: 28,881

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,502 : 102,753 = 19,254 : x
  2. Step 2: Convert to fraction form
    68,502/102,753 = 19,254/x
  3. Step 3: Cross multiply
    68,502x = 102,753 × 19,254
  4. Step 4: Simplify right side
    68,502x = 1,978,406,262
  5. Step 5: Solve for x
    x = 1,978,406,262/68,502
  6. Step 6: Final answer
    x = 28,881

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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.