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Finding the Fourth Proportional to 187,842.21, 259,565.94 and 136,766.28

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Solution

The fourth proportional to 187,842.21, 259,565.94 and 136,766.28 is: 188,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,842.21 : 259,565.94 = 136,766.28 : x
  2. Step 2: Convert to fraction form
    187,842.21/259,565.94 = 136,766.28/x
  3. Step 3: Cross multiply
    187,842.21x = 259,565.94 × 136,766.28
  4. Step 4: Simplify right side
    187,842.21x = 35,499,868,028.50
  5. Step 5: Solve for x
    x = 35,499,868,028.50/187,842.21
  6. Step 6: Final answer
    x = 188,987.70

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