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Finding the Fourth Proportional to 187,688.73, 259,016.90 and 102,805.80

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Solution

The fourth proportional to 187,688.73, 259,016.90 and 102,805.80 is: 141,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,688.73 : 259,016.90 = 102,805.80 : x
  2. Step 2: Convert to fraction form
    187,688.73/259,016.90 = 102,805.80/x
  3. Step 3: Cross multiply
    187,688.73x = 259,016.90 × 102,805.80
  4. Step 4: Simplify right side
    187,688.73x = 26,628,439,618.02
  5. Step 5: Solve for x
    x = 26,628,439,618.02/187,688.73
  6. Step 6: Final answer
    x = 141,875.54

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