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Finding the Fourth Proportional to 118,508.40, 177,503.40 and 92,005.20

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Solution

The fourth proportional to 118,508.40, 177,503.40 and 92,005.20 is: 137,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,508.40 : 177,503.40 = 92,005.20 : x
  2. Step 2: Convert to fraction form
    118,508.40/177,503.40 = 92,005.20/x
  3. Step 3: Cross multiply
    118,508.40x = 177,503.40 × 92,005.20
  4. Step 4: Simplify right side
    118,508.40x = 16,331,235,817.68
  5. Step 5: Solve for x
    x = 16,331,235,817.68/118,508.40
  6. Step 6: Final answer
    x = 137,806.57

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