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Finding the Fourth Proportional to 116,749.80, 175,122.90 and 79,216.56

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Solution

The fourth proportional to 116,749.80, 175,122.90 and 79,216.56 is: 118,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,749.80 : 175,122.90 = 79,216.56 : x
  2. Step 2: Convert to fraction form
    116,749.80/175,122.90 = 79,216.56/x
  3. Step 3: Cross multiply
    116,749.80x = 175,122.90 × 79,216.56
  4. Step 4: Simplify right side
    116,749.80x = 13,872,633,715.22
  5. Step 5: Solve for x
    x = 13,872,633,715.22/116,749.80
  6. Step 6: Final answer
    x = 118,823.62

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