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Finding the Fourth Proportional to 104,255.82, 143,888.41 and 66,018.86

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Solution

The fourth proportional to 104,255.82, 143,888.41 and 66,018.86 is: 91,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,255.82 : 143,888.41 = 66,018.86 : x
  2. Step 2: Convert to fraction form
    104,255.82/143,888.41 = 66,018.86/x
  3. Step 3: Cross multiply
    104,255.82x = 143,888.41 × 66,018.86
  4. Step 4: Simplify right side
    104,255.82x = 9,499,348,990.09
  5. Step 5: Solve for x
    x = 9,499,348,990.09/104,255.82
  6. Step 6: Final answer
    x = 91,115.76

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