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Finding the Fourth Proportional to 122,552.40, 183,828.60 and 91,448.40

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Solution

The fourth proportional to 122,552.40, 183,828.60 and 91,448.40 is: 137,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,552.40 : 183,828.60 = 91,448.40 : x
  2. Step 2: Convert to fraction form
    122,552.40/183,828.60 = 91,448.40/x
  3. Step 3: Cross multiply
    122,552.40x = 183,828.60 × 91,448.40
  4. Step 4: Simplify right side
    122,552.40x = 16,810,831,344.24
  5. Step 5: Solve for x
    x = 16,810,831,344.24/122,552.40
  6. Step 6: Final answer
    x = 137,172.60

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