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Finding the Fourth Proportional to 187,019.43, 258,171.79 and 119,129.48

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Solution

The fourth proportional to 187,019.43, 258,171.79 and 119,129.48 is: 164,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,019.43 : 258,171.79 = 119,129.48 : x
  2. Step 2: Convert to fraction form
    187,019.43/258,171.79 = 119,129.48/x
  3. Step 3: Cross multiply
    187,019.43x = 258,171.79 × 119,129.48
  4. Step 4: Simplify right side
    187,019.43x = 30,755,872,148.41
  5. Step 5: Solve for x
    x = 30,755,872,148.41/187,019.43
  6. Step 6: Final answer
    x = 164,452.82

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