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Finding the Fourth Proportional to 117,877.20, 176,815.80 and 47,758.80

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Solution

The fourth proportional to 117,877.20, 176,815.80 and 47,758.80 is: 71,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,877.20 : 176,815.80 = 47,758.80 : x
  2. Step 2: Convert to fraction form
    117,877.20/176,815.80 = 47,758.80/x
  3. Step 3: Cross multiply
    117,877.20x = 176,815.80 × 47,758.80
  4. Step 4: Simplify right side
    117,877.20x = 8,444,510,429.04
  5. Step 5: Solve for x
    x = 8,444,510,429.04/117,877.20
  6. Step 6: Final answer
    x = 71,638.20

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