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Finding the Fourth Proportional to 118,143.62, 163,042.28 and 67,158.48

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Solution

The fourth proportional to 118,143.62, 163,042.28 and 67,158.48 is: 92,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,143.62 : 163,042.28 = 67,158.48 : x
  2. Step 2: Convert to fraction form
    118,143.62/163,042.28 = 67,158.48/x
  3. Step 3: Cross multiply
    118,143.62x = 163,042.28 × 67,158.48
  4. Step 4: Simplify right side
    118,143.62x = 10,949,671,868.43
  5. Step 5: Solve for x
    x = 10,949,671,868.43/118,143.62
  6. Step 6: Final answer
    x = 92,681.03

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