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Finding the Fourth Proportional to 111,917.40, 167,905.80 and 48,710.40

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Solution

The fourth proportional to 111,917.40, 167,905.80 and 48,710.40 is: 73,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,917.40 : 167,905.80 = 48,710.40 : x
  2. Step 2: Convert to fraction form
    111,917.40/167,905.80 = 48,710.40/x
  3. Step 3: Cross multiply
    111,917.40x = 167,905.80 × 48,710.40
  4. Step 4: Simplify right side
    111,917.40x = 8,178,758,680.32
  5. Step 5: Solve for x
    x = 8,178,758,680.32/111,917.40
  6. Step 6: Final answer
    x = 73,078.53

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