Home / 126,619.29-189,858.80-51,791.96

Finding the Fourth Proportional to 126,619.29, 189,858.80 and 51,791.96

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Solution

The fourth proportional to 126,619.29, 189,858.80 and 51,791.96 is: 77,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,619.29 : 189,858.80 = 51,791.96 : x
  2. Step 2: Convert to fraction form
    126,619.29/189,858.80 = 51,791.96/x
  3. Step 3: Cross multiply
    126,619.29x = 189,858.80 × 51,791.96
  4. Step 4: Simplify right side
    126,619.29x = 9,833,159,979.37
  5. Step 5: Solve for x
    x = 9,833,159,979.37/126,619.29
  6. Step 6: Final answer
    x = 77,659.26

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