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Finding the Fourth Proportional to 185,750.80, 278,626.20 and 92,438.80

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Solution

The fourth proportional to 185,750.80, 278,626.20 and 92,438.80 is: 138,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,750.80 : 278,626.20 = 92,438.80 : x
  2. Step 2: Convert to fraction form
    185,750.80/278,626.20 = 92,438.80/x
  3. Step 3: Cross multiply
    185,750.80x = 278,626.20 × 92,438.80
  4. Step 4: Simplify right side
    185,750.80x = 25,755,871,576.56
  5. Step 5: Solve for x
    x = 25,755,871,576.56/185,750.80
  6. Step 6: Final answer
    x = 138,658.20

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