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Finding the Fourth Proportional to 172,032.80, 258,049.20 and 161,664.80

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Solution

The fourth proportional to 172,032.80, 258,049.20 and 161,664.80 is: 242,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,032.80 : 258,049.20 = 161,664.80 : x
  2. Step 2: Convert to fraction form
    172,032.80/258,049.20 = 161,664.80/x
  3. Step 3: Cross multiply
    172,032.80x = 258,049.20 × 161,664.80
  4. Step 4: Simplify right side
    172,032.80x = 41,717,472,308.16
  5. Step 5: Solve for x
    x = 41,717,472,308.16/172,032.80
  6. Step 6: Final answer
    x = 242,497.20

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