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Finding the Fourth Proportional to 140,092.55, 193,342.61 and 85,676.55

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Solution

The fourth proportional to 140,092.55, 193,342.61 and 85,676.55 is: 118,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092.55 : 193,342.61 = 85,676.55 : x
  2. Step 2: Convert to fraction form
    140,092.55/193,342.61 = 85,676.55/x
  3. Step 3: Cross multiply
    140,092.55x = 193,342.61 × 85,676.55
  4. Step 4: Simplify right side
    140,092.55x = 16,564,927,792.80
  5. Step 5: Solve for x
    x = 16,564,927,792.80/140,092.55
  6. Step 6: Final answer
    x = 118,242.75

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