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Finding the Fourth Proportional to 114,550.71, 171,739.67 and 75,117.75

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Solution

The fourth proportional to 114,550.71, 171,739.67 and 75,117.75 is: 112,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,550.71 : 171,739.67 = 75,117.75 : x
  2. Step 2: Convert to fraction form
    114,550.71/171,739.67 = 75,117.75/x
  3. Step 3: Cross multiply
    114,550.71x = 171,739.67 × 75,117.75
  4. Step 4: Simplify right side
    114,550.71x = 12,900,697,220.55
  5. Step 5: Solve for x
    x = 12,900,697,220.55/114,550.71
  6. Step 6: Final answer
    x = 112,619.97

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