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Finding the Fourth Proportional to 119,651.58, 165,111.37 and 65,936.59

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Solution

The fourth proportional to 119,651.58, 165,111.37 and 65,936.59 is: 90,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,651.58 : 165,111.37 = 65,936.59 : x
  2. Step 2: Convert to fraction form
    119,651.58/165,111.37 = 65,936.59/x
  3. Step 3: Cross multiply
    119,651.58x = 165,111.37 × 65,936.59
  4. Step 4: Simplify right side
    119,651.58x = 10,886,880,130.41
  5. Step 5: Solve for x
    x = 10,886,880,130.41/119,651.58
  6. Step 6: Final answer
    x = 90,988.19

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