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Finding the Fourth Proportional to 187,990.84, 259,489.39 and 168,061.80

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Solution

The fourth proportional to 187,990.84, 259,489.39 and 168,061.80 is: 231,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,990.84 : 259,489.39 = 168,061.80 : x
  2. Step 2: Convert to fraction form
    187,990.84/259,489.39 = 168,061.80/x
  3. Step 3: Cross multiply
    187,990.84x = 259,489.39 × 168,061.80
  4. Step 4: Simplify right side
    187,990.84x = 43,610,253,964.30
  5. Step 5: Solve for x
    x = 43,610,253,964.30/187,990.84
  6. Step 6: Final answer
    x = 231,980.75

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