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Finding the Fourth Proportional to 91,258.49, 136,696.79 and 73,392.58

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Solution

The fourth proportional to 91,258.49, 136,696.79 and 73,392.58 is: 109,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,258.49 : 136,696.79 = 73,392.58 : x
  2. Step 2: Convert to fraction form
    91,258.49/136,696.79 = 73,392.58/x
  3. Step 3: Cross multiply
    91,258.49x = 136,696.79 × 73,392.58
  4. Step 4: Simplify right side
    91,258.49x = 10,032,529,976.69
  5. Step 5: Solve for x
    x = 10,032,529,976.69/91,258.49
  6. Step 6: Final answer
    x = 109,935.31

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