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Finding the Fourth Proportional to 135,259.26, 186,664.86 and 77,907.30

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Solution

The fourth proportional to 135,259.26, 186,664.86 and 77,907.30 is: 107,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,259.26 : 186,664.86 = 77,907.30 : x
  2. Step 2: Convert to fraction form
    135,259.26/186,664.86 = 77,907.30/x
  3. Step 3: Cross multiply
    135,259.26x = 186,664.86 × 77,907.30
  4. Step 4: Simplify right side
    135,259.26x = 14,542,555,247.48
  5. Step 5: Solve for x
    x = 14,542,555,247.48/135,259.26
  6. Step 6: Final answer
    x = 107,516.15

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