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Finding the Fourth Proportional to 111,905.40, 167,858.10 and 94,190.70

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Solution

The fourth proportional to 111,905.40, 167,858.10 and 94,190.70 is: 141,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,905.40 : 167,858.10 = 94,190.70 : x
  2. Step 2: Convert to fraction form
    111,905.40/167,858.10 = 94,190.70/x
  3. Step 3: Cross multiply
    111,905.40x = 167,858.10 × 94,190.70
  4. Step 4: Simplify right side
    111,905.40x = 15,810,671,939.67
  5. Step 5: Solve for x
    x = 15,810,671,939.67/111,905.40
  6. Step 6: Final answer
    x = 141,286.05

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