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Finding the Fourth Proportional to 118,394.46, 177,637.86 and 55,243.62

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Solution

The fourth proportional to 118,394.46, 177,637.86 and 55,243.62 is: 82,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,394.46 : 177,637.86 = 55,243.62 : x
  2. Step 2: Convert to fraction form
    118,394.46/177,637.86 = 55,243.62/x
  3. Step 3: Cross multiply
    118,394.46x = 177,637.86 × 55,243.62
  4. Step 4: Simplify right side
    118,394.46x = 9,813,358,435.45
  5. Step 5: Solve for x
    x = 9,813,358,435.45/118,394.46
  6. Step 6: Final answer
    x = 82,886.97

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