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Finding the Fourth Proportional to 123,796, 185,694 and 68,392

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Solution

The fourth proportional to 123,796, 185,694 and 68,392 is: 102,588

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,796 : 185,694 = 68,392 : x
  2. Step 2: Convert to fraction form
    123,796/185,694 = 68,392/x
  3. Step 3: Cross multiply
    123,796x = 185,694 × 68,392
  4. Step 4: Simplify right side
    123,796x = 12,699,984,048
  5. Step 5: Solve for x
    x = 12,699,984,048/123,796
  6. Step 6: Final answer
    x = 102,588

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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.