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Finding the Fourth Proportional to 114,627.80, 171,941.70 and 74,770.40

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Solution

The fourth proportional to 114,627.80, 171,941.70 and 74,770.40 is: 112,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,627.80 : 171,941.70 = 74,770.40 : x
  2. Step 2: Convert to fraction form
    114,627.80/171,941.70 = 74,770.40/x
  3. Step 3: Cross multiply
    114,627.80x = 171,941.70 × 74,770.40
  4. Step 4: Simplify right side
    114,627.80x = 12,856,149,685.68
  5. Step 5: Solve for x
    x = 12,856,149,685.68/114,627.80
  6. Step 6: Final answer
    x = 112,155.60

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