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Finding the Fourth Proportional to 118,975.80, 178,113.06 and 104,213.55

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Solution

The fourth proportional to 118,975.80, 178,113.06 and 104,213.55 is: 156,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,975.80 : 178,113.06 = 104,213.55 : x
  2. Step 2: Convert to fraction form
    118,975.80/178,113.06 = 104,213.55/x
  3. Step 3: Cross multiply
    118,975.80x = 178,113.06 × 104,213.55
  4. Step 4: Simplify right side
    118,975.80x = 18,561,794,283.96
  5. Step 5: Solve for x
    x = 18,561,794,283.96/118,975.80
  6. Step 6: Final answer
    x = 156,013.19

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