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Finding the Fourth Proportional to 195,558.96, 293,291.46 and 90,276.78

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Solution

The fourth proportional to 195,558.96, 293,291.46 and 90,276.78 is: 135,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,558.96 : 293,291.46 = 90,276.78 : x
  2. Step 2: Convert to fraction form
    195,558.96/293,291.46 = 90,276.78/x
  3. Step 3: Cross multiply
    195,558.96x = 293,291.46 × 90,276.78
  4. Step 4: Simplify right side
    195,558.96x = 26,477,408,610.30
  5. Step 5: Solve for x
    x = 26,477,408,610.30/195,558.96
  6. Step 6: Final answer
    x = 135,393.48

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