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Finding the Fourth Proportional to 116,659.40, 174,989.10 and 111,540.20

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Solution

The fourth proportional to 116,659.40, 174,989.10 and 111,540.20 is: 167,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,659.40 : 174,989.10 = 111,540.20 : x
  2. Step 2: Convert to fraction form
    116,659.40/174,989.10 = 111,540.20/x
  3. Step 3: Cross multiply
    116,659.40x = 174,989.10 × 111,540.20
  4. Step 4: Simplify right side
    116,659.40x = 19,518,319,211.82
  5. Step 5: Solve for x
    x = 19,518,319,211.82/116,659.40
  6. Step 6: Final answer
    x = 167,310.30

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