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Finding the Fourth Proportional to 118,635.52, 178,005.12 and 92,300.80

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Solution

The fourth proportional to 118,635.52, 178,005.12 and 92,300.80 is: 138,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,635.52 : 178,005.12 = 92,300.80 : x
  2. Step 2: Convert to fraction form
    118,635.52/178,005.12 = 92,300.80/x
  3. Step 3: Cross multiply
    118,635.52x = 178,005.12 × 92,300.80
  4. Step 4: Simplify right side
    118,635.52x = 16,430,014,980.10
  5. Step 5: Solve for x
    x = 16,430,014,980.10/118,635.52
  6. Step 6: Final answer
    x = 138,491.53

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