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Finding the Fourth Proportional to 325,000.89, 487,512.12 and 111,766.70

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Solution

The fourth proportional to 325,000.89, 487,512.12 and 111,766.70 is: 167,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,000.89 : 487,512.12 = 111,766.70 : x
  2. Step 2: Convert to fraction form
    325,000.89/487,512.12 = 111,766.70/x
  3. Step 3: Cross multiply
    325,000.89x = 487,512.12 × 111,766.70
  4. Step 4: Simplify right side
    325,000.89x = 54,487,618,424.84
  5. Step 5: Solve for x
    x = 54,487,618,424.84/325,000.89
  6. Step 6: Final answer
    x = 167,653.75

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