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Finding the Fourth Proportional to 137,801.96, 190,185.72 and 76,561.88

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Solution

The fourth proportional to 137,801.96, 190,185.72 and 76,561.88 is: 105,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,801.96 : 190,185.72 = 76,561.88 : x
  2. Step 2: Convert to fraction form
    137,801.96/190,185.72 = 76,561.88/x
  3. Step 3: Cross multiply
    137,801.96x = 190,185.72 × 76,561.88
  4. Step 4: Simplify right side
    137,801.96x = 14,560,976,272.35
  5. Step 5: Solve for x
    x = 14,560,976,272.35/137,801.96
  6. Step 6: Final answer
    x = 105,665.96

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