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Finding the Fourth Proportional to 74,231.80, 111,347.70 and 65,015.80

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Solution

The fourth proportional to 74,231.80, 111,347.70 and 65,015.80 is: 97,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,231.80 : 111,347.70 = 65,015.80 : x
  2. Step 2: Convert to fraction form
    74,231.80/111,347.70 = 65,015.80/x
  3. Step 3: Cross multiply
    74,231.80x = 111,347.70 × 65,015.80
  4. Step 4: Simplify right side
    74,231.80x = 7,239,359,793.66
  5. Step 5: Solve for x
    x = 7,239,359,793.66/74,231.80
  6. Step 6: Final answer
    x = 97,523.70

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