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Finding the Fourth Proportional to 95,623.20, 143,434.80 and 80,416.80

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Solution

The fourth proportional to 95,623.20, 143,434.80 and 80,416.80 is: 120,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,623.20 : 143,434.80 = 80,416.80 : x
  2. Step 2: Convert to fraction form
    95,623.20/143,434.80 = 80,416.80/x
  3. Step 3: Cross multiply
    95,623.20x = 143,434.80 × 80,416.80
  4. Step 4: Simplify right side
    95,623.20x = 11,534,567,624.64
  5. Step 5: Solve for x
    x = 11,534,567,624.64/95,623.20
  6. Step 6: Final answer
    x = 120,625.20

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