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Finding the Fourth Proportional to 118,712.55, 178,040.88 and 34,450.47

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Solution

The fourth proportional to 118,712.55, 178,040.88 and 34,450.47 is: 51,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,712.55 : 178,040.88 = 34,450.47 : x
  2. Step 2: Convert to fraction form
    118,712.55/178,040.88 = 34,450.47/x
  3. Step 3: Cross multiply
    118,712.55x = 178,040.88 × 34,450.47
  4. Step 4: Simplify right side
    118,712.55x = 6,133,591,995.21
  5. Step 5: Solve for x
    x = 6,133,591,995.21/118,712.55
  6. Step 6: Final answer
    x = 51,667.60

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