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Finding the Fourth Proportional to 106,638.08, 160,055.52 and 54,084.47

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Solution

The fourth proportional to 106,638.08, 160,055.52 and 54,084.47 is: 81,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,638.08 : 160,055.52 = 54,084.47 : x
  2. Step 2: Convert to fraction form
    106,638.08/160,055.52 = 54,084.47/x
  3. Step 3: Cross multiply
    106,638.08x = 160,055.52 × 54,084.47
  4. Step 4: Simplify right side
    106,638.08x = 8,656,517,969.77
  5. Step 5: Solve for x
    x = 8,656,517,969.77/106,638.08
  6. Step 6: Final answer
    x = 81,176.61

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