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Finding the Fourth Proportional to 118,483.32, 163,524.78 and 68,172.60

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Solution

The fourth proportional to 118,483.32, 163,524.78 and 68,172.60 is: 94,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,483.32 : 163,524.78 = 68,172.60 : x
  2. Step 2: Convert to fraction form
    118,483.32/163,524.78 = 68,172.60/x
  3. Step 3: Cross multiply
    118,483.32x = 163,524.78 × 68,172.60
  4. Step 4: Simplify right side
    118,483.32x = 11,147,909,417.03
  5. Step 5: Solve for x
    x = 11,147,909,417.03/118,483.32
  6. Step 6: Final answer
    x = 94,088.43

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