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Finding the Fourth Proportional to 83,743.70, 125,615.55 and 82,868.90

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Solution

The fourth proportional to 83,743.70, 125,615.55 and 82,868.90 is: 124,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,743.70 : 125,615.55 = 82,868.90 : x
  2. Step 2: Convert to fraction form
    83,743.70/125,615.55 = 82,868.90/x
  3. Step 3: Cross multiply
    83,743.70x = 125,615.55 × 82,868.90
  4. Step 4: Simplify right side
    83,743.70x = 10,409,622,451.40
  5. Step 5: Solve for x
    x = 10,409,622,451.40/83,743.70
  6. Step 6: Final answer
    x = 124,303.35

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