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Finding the Fourth Proportional to 108,712.20, 163,068.30 and 97,825.80

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Solution

The fourth proportional to 108,712.20, 163,068.30 and 97,825.80 is: 146,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,712.20 : 163,068.30 = 97,825.80 : x
  2. Step 2: Convert to fraction form
    108,712.20/163,068.30 = 97,825.80/x
  3. Step 3: Cross multiply
    108,712.20x = 163,068.30 × 97,825.80
  4. Step 4: Simplify right side
    108,712.20x = 15,952,286,902.14
  5. Step 5: Solve for x
    x = 15,952,286,902.14/108,712.20
  6. Step 6: Final answer
    x = 146,738.70

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