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Finding the Fourth Proportional to 174,782.46, 261,609.72 and 90,426.42

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Solution

The fourth proportional to 174,782.46, 261,609.72 and 90,426.42 is: 135,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,782.46 : 261,609.72 = 90,426.42 : x
  2. Step 2: Convert to fraction form
    174,782.46/261,609.72 = 90,426.42/x
  3. Step 3: Cross multiply
    174,782.46x = 261,609.72 × 90,426.42
  4. Step 4: Simplify right side
    174,782.46x = 23,656,430,416.80
  5. Step 5: Solve for x
    x = 23,656,430,416.80/174,782.46
  6. Step 6: Final answer
    x = 135,347.85

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