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Finding the Fourth Proportional to 91,249.41, 125,009.59 and 87,838.04

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Solution

The fourth proportional to 91,249.41, 125,009.59 and 87,838.04 is: 120,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249.41 : 125,009.59 = 87,838.04 : x
  2. Step 2: Convert to fraction form
    91,249.41/125,009.59 = 87,838.04/x
  3. Step 3: Cross multiply
    91,249.41x = 125,009.59 × 87,838.04
  4. Step 4: Simplify right side
    91,249.41x = 10,980,597,366.80
  5. Step 5: Solve for x
    x = 10,980,597,366.80/91,249.41
  6. Step 6: Final answer
    x = 120,336.09

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