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Finding the Fourth Proportional to 252,057.61, 347,838.87 and 138,880.36

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Solution

The fourth proportional to 252,057.61, 347,838.87 and 138,880.36 is: 191,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,057.61 : 347,838.87 = 138,880.36 : x
  2. Step 2: Convert to fraction form
    252,057.61/347,838.87 = 138,880.36/x
  3. Step 3: Cross multiply
    252,057.61x = 347,838.87 × 138,880.36
  4. Step 4: Simplify right side
    252,057.61x = 48,307,987,487.59
  5. Step 5: Solve for x
    x = 48,307,987,487.59/252,057.61
  6. Step 6: Final answer
    x = 191,654.55

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