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Finding the Fourth Proportional to 118,733.16, 178,165.32 and 66,172.26

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Solution

The fourth proportional to 118,733.16, 178,165.32 and 66,172.26 is: 99,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,733.16 : 178,165.32 = 66,172.26 : x
  2. Step 2: Convert to fraction form
    118,733.16/178,165.32 = 66,172.26/x
  3. Step 3: Cross multiply
    118,733.16x = 178,165.32 × 66,172.26
  4. Step 4: Simplify right side
    118,733.16x = 11,789,601,878.02
  5. Step 5: Solve for x
    x = 11,789,601,878.02/118,733.16
  6. Step 6: Final answer
    x = 99,294.94

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