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Finding the Fourth Proportional to 118,132.75, 163,017.28 and 67,138.74

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Solution

The fourth proportional to 118,132.75, 163,017.28 and 67,138.74 is: 92,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,132.75 : 163,017.28 = 67,138.74 : x
  2. Step 2: Convert to fraction form
    118,132.75/163,017.28 = 67,138.74/x
  3. Step 3: Cross multiply
    118,132.75x = 163,017.28 × 67,138.74
  4. Step 4: Simplify right side
    118,132.75x = 10,944,775,220.90
  5. Step 5: Solve for x
    x = 10,944,775,220.90/118,132.75
  6. Step 6: Final answer
    x = 92,648.10

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