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Finding the Fourth Proportional to 117,701.20, 176,321.40 and 70,814.80

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Solution

The fourth proportional to 117,701.20, 176,321.40 and 70,814.80 is: 106,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,701.20 : 176,321.40 = 70,814.80 : x
  2. Step 2: Convert to fraction form
    117,701.20/176,321.40 = 70,814.80/x
  3. Step 3: Cross multiply
    117,701.20x = 176,321.40 × 70,814.80
  4. Step 4: Simplify right side
    117,701.20x = 12,486,164,676.72
  5. Step 5: Solve for x
    x = 12,486,164,676.72/117,701.20
  6. Step 6: Final answer
    x = 106,083.58

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