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Finding the Fourth Proportional to 118,418.60, 177,728.70 and 48,348.20

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Solution

The fourth proportional to 118,418.60, 177,728.70 and 48,348.20 is: 72,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,418.60 : 177,728.70 = 48,348.20 : x
  2. Step 2: Convert to fraction form
    118,418.60/177,728.70 = 48,348.20/x
  3. Step 3: Cross multiply
    118,418.60x = 177,728.70 × 48,348.20
  4. Step 4: Simplify right side
    118,418.60x = 8,592,862,733.34
  5. Step 5: Solve for x
    x = 8,592,862,733.34/118,418.60
  6. Step 6: Final answer
    x = 72,563.45

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