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Finding the Fourth Proportional to 118,913.60, 178,456.80 and 48,843.20

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Solution

The fourth proportional to 118,913.60, 178,456.80 and 48,843.20 is: 73,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,913.60 : 178,456.80 = 48,843.20 : x
  2. Step 2: Convert to fraction form
    118,913.60/178,456.80 = 48,843.20/x
  3. Step 3: Cross multiply
    118,913.60x = 178,456.80 × 48,843.20
  4. Step 4: Simplify right side
    118,913.60x = 8,716,401,173.76
  5. Step 5: Solve for x
    x = 8,716,401,173.76/118,913.60
  6. Step 6: Final answer
    x = 73,300.29

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