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Finding the Fourth Proportional to 117,245.88, 161,789.73 and 66,262.98

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Solution

The fourth proportional to 117,245.88, 161,789.73 and 66,262.98 is: 91,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.88 : 161,789.73 = 66,262.98 : x
  2. Step 2: Convert to fraction form
    117,245.88/161,789.73 = 66,262.98/x
  3. Step 3: Cross multiply
    117,245.88x = 161,789.73 × 66,262.98
  4. Step 4: Simplify right side
    117,245.88x = 10,720,669,643.20
  5. Step 5: Solve for x
    x = 10,720,669,643.20/117,245.88
  6. Step 6: Final answer
    x = 91,437.50

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