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Finding the Fourth Proportional to 172,023.40, 258,035.10 and 145,844.20

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Solution

The fourth proportional to 172,023.40, 258,035.10 and 145,844.20 is: 218,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,023.40 : 258,035.10 = 145,844.20 : x
  2. Step 2: Convert to fraction form
    172,023.40/258,035.10 = 145,844.20/x
  3. Step 3: Cross multiply
    172,023.40x = 258,035.10 × 145,844.20
  4. Step 4: Simplify right side
    172,023.40x = 37,632,922,731.42
  5. Step 5: Solve for x
    x = 37,632,922,731.42/172,023.40
  6. Step 6: Final answer
    x = 218,766.30

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