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Finding the Fourth Proportional to 111,600.78, 167,258.70 and 52,305.81

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Solution

The fourth proportional to 111,600.78, 167,258.70 and 52,305.81 is: 78,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,600.78 : 167,258.70 = 52,305.81 : x
  2. Step 2: Convert to fraction form
    111,600.78/167,258.70 = 52,305.81/x
  3. Step 3: Cross multiply
    111,600.78x = 167,258.70 × 52,305.81
  4. Step 4: Simplify right side
    111,600.78x = 8,748,601,783.05
  5. Step 5: Solve for x
    x = 8,748,601,783.05/111,600.78
  6. Step 6: Final answer
    x = 78,391.94

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