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Finding the Fourth Proportional to 140,357.51, 193,693.86 and 76,695.31

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Solution

The fourth proportional to 140,357.51, 193,693.86 and 76,695.31 is: 105,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,357.51 : 193,693.86 = 76,695.31 : x
  2. Step 2: Convert to fraction form
    140,357.51/193,693.86 = 76,695.31/x
  3. Step 3: Cross multiply
    140,357.51x = 193,693.86 × 76,695.31
  4. Step 4: Simplify right side
    140,357.51x = 14,855,409,574.68
  5. Step 5: Solve for x
    x = 14,855,409,574.68/140,357.51
  6. Step 6: Final answer
    x = 105,839.79

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