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Finding the Fourth Proportional to 118,729.60, 178,195.20 and 48,659.20

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Solution

The fourth proportional to 118,729.60, 178,195.20 and 48,659.20 is: 73,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,729.60 : 178,195.20 = 48,659.20 : x
  2. Step 2: Convert to fraction form
    118,729.60/178,195.20 = 48,659.20/x
  3. Step 3: Cross multiply
    118,729.60x = 178,195.20 × 48,659.20
  4. Step 4: Simplify right side
    118,729.60x = 8,670,835,875.84
  5. Step 5: Solve for x
    x = 8,670,835,875.84/118,729.60
  6. Step 6: Final answer
    x = 73,030.11

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