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Finding the Fourth Proportional to 123,770.50, 170,803.50 and 67,181.88

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Solution

The fourth proportional to 123,770.50, 170,803.50 and 67,181.88 is: 92,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,770.50 : 170,803.50 = 67,181.88 : x
  2. Step 2: Convert to fraction form
    123,770.50/170,803.50 = 67,181.88/x
  3. Step 3: Cross multiply
    123,770.50x = 170,803.50 × 67,181.88
  4. Step 4: Simplify right side
    123,770.50x = 11,474,900,240.58
  5. Step 5: Solve for x
    x = 11,474,900,240.58/123,770.50
  6. Step 6: Final answer
    x = 92,711.11

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