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Finding the Fourth Proportional to 114,571.46, 158,185.71 and 87,665.90

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Solution

The fourth proportional to 114,571.46, 158,185.71 and 87,665.90 is: 121,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,571.46 : 158,185.71 = 87,665.90 : x
  2. Step 2: Convert to fraction form
    114,571.46/158,185.71 = 87,665.90/x
  3. Step 3: Cross multiply
    114,571.46x = 158,185.71 × 87,665.90
  4. Step 4: Simplify right side
    114,571.46x = 13,867,491,843.36
  5. Step 5: Solve for x
    x = 13,867,491,843.36/114,571.46
  6. Step 6: Final answer
    x = 121,037.92

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