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Finding the Fourth Proportional to 99,625.89, 137,481.93 and 57,181.08

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Solution

The fourth proportional to 99,625.89, 137,481.93 and 57,181.08 is: 78,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,625.89 : 137,481.93 = 57,181.08 : x
  2. Step 2: Convert to fraction form
    99,625.89/137,481.93 = 57,181.08/x
  3. Step 3: Cross multiply
    99,625.89x = 137,481.93 × 57,181.08
  4. Step 4: Simplify right side
    99,625.89x = 7,861,365,237.88
  5. Step 5: Solve for x
    x = 7,861,365,237.88/99,625.89
  6. Step 6: Final answer
    x = 78,908.86

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