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Finding the Fourth Proportional to 119,893.66, 165,453.26 and 66,178.69

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Solution

The fourth proportional to 119,893.66, 165,453.26 and 66,178.69 is: 91,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,893.66 : 165,453.26 = 66,178.69 : x
  2. Step 2: Convert to fraction form
    119,893.66/165,453.26 = 66,178.69/x
  3. Step 3: Cross multiply
    119,893.66x = 165,453.26 × 66,178.69
  4. Step 4: Simplify right side
    119,893.66x = 10,949,479,258.50
  5. Step 5: Solve for x
    x = 10,949,479,258.50/119,893.66
  6. Step 6: Final answer
    x = 91,326.59

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