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Finding the Fourth Proportional to 118,176.48, 163,086.60 and 72,243.36

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Solution

The fourth proportional to 118,176.48, 163,086.60 and 72,243.36 is: 99,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,176.48 : 163,086.60 = 72,243.36 : x
  2. Step 2: Convert to fraction form
    118,176.48/163,086.60 = 72,243.36/x
  3. Step 3: Cross multiply
    118,176.48x = 163,086.60 × 72,243.36
  4. Step 4: Simplify right side
    118,176.48x = 11,781,923,954.98
  5. Step 5: Solve for x
    x = 11,781,923,954.98/118,176.48
  6. Step 6: Final answer
    x = 99,697.71

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