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Finding the Fourth Proportional to 118,978.07, 178,447.95 and 34,718.45

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Solution

The fourth proportional to 118,978.07, 178,447.95 and 34,718.45 is: 52,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,978.07 : 178,447.95 = 34,718.45 : x
  2. Step 2: Convert to fraction form
    118,978.07/178,447.95 = 34,718.45/x
  3. Step 3: Cross multiply
    118,978.07x = 178,447.95 × 34,718.45
  4. Step 4: Simplify right side
    118,978.07x = 6,195,435,163.85
  5. Step 5: Solve for x
    x = 6,195,435,163.85/118,978.07
  6. Step 6: Final answer
    x = 52,072.08

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