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Finding the Fourth Proportional to 118,838.48, 163,996.56 and 65,123.36

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Solution

The fourth proportional to 118,838.48, 163,996.56 and 65,123.36 is: 89,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,838.48 : 163,996.56 = 65,123.36 : x
  2. Step 2: Convert to fraction form
    118,838.48/163,996.56 = 65,123.36/x
  3. Step 3: Cross multiply
    118,838.48x = 163,996.56 × 65,123.36
  4. Step 4: Simplify right side
    118,838.48x = 10,680,007,015.64
  5. Step 5: Solve for x
    x = 10,680,007,015.64/118,838.48
  6. Step 6: Final answer
    x = 89,869.94

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