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Finding the Fourth Proportional to 118,468.20, 177,615.90 and 48,311.40

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Solution

The fourth proportional to 118,468.20, 177,615.90 and 48,311.40 is: 72,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,468.20 : 177,615.90 = 48,311.40 : x
  2. Step 2: Convert to fraction form
    118,468.20/177,615.90 = 48,311.40/x
  3. Step 3: Cross multiply
    118,468.20x = 177,615.90 × 48,311.40
  4. Step 4: Simplify right side
    118,468.20x = 8,580,872,791.26
  5. Step 5: Solve for x
    x = 8,580,872,791.26/118,468.20
  6. Step 6: Final answer
    x = 72,431.87

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