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Finding the Fourth Proportional to 119,262.72, 178,718.40 and 52,641.60

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Solution

The fourth proportional to 119,262.72, 178,718.40 and 52,641.60 is: 78,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,262.72 : 178,718.40 = 52,641.60 : x
  2. Step 2: Convert to fraction form
    119,262.72/178,718.40 = 52,641.60/x
  3. Step 3: Cross multiply
    119,262.72x = 178,718.40 × 52,641.60
  4. Step 4: Simplify right side
    119,262.72x = 9,408,022,525.44
  5. Step 5: Solve for x
    x = 9,408,022,525.44/119,262.72
  6. Step 6: Final answer
    x = 78,884.86

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