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Finding the Fourth Proportional to 111,257.40, 166,886.10 and 73,867.80

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Solution

The fourth proportional to 111,257.40, 166,886.10 and 73,867.80 is: 110,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.40 : 166,886.10 = 73,867.80 : x
  2. Step 2: Convert to fraction form
    111,257.40/166,886.10 = 73,867.80/x
  3. Step 3: Cross multiply
    111,257.40x = 166,886.10 × 73,867.80
  4. Step 4: Simplify right side
    111,257.40x = 12,327,509,057.58
  5. Step 5: Solve for x
    x = 12,327,509,057.58/111,257.40
  6. Step 6: Final answer
    x = 110,801.70

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