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Finding the Fourth Proportional to 117,735.40, 176,570.70 and 47,621.80

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Solution

The fourth proportional to 117,735.40, 176,570.70 and 47,621.80 is: 71,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,735.40 : 176,570.70 = 47,621.80 : x
  2. Step 2: Convert to fraction form
    117,735.40/176,570.70 = 47,621.80/x
  3. Step 3: Cross multiply
    117,735.40x = 176,570.70 × 47,621.80
  4. Step 4: Simplify right side
    117,735.40x = 8,408,614,561.26
  5. Step 5: Solve for x
    x = 8,408,614,561.26/117,735.40
  6. Step 6: Final answer
    x = 71,419.59

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