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Finding the Fourth Proportional to 95,591.20, 143,386.80 and 80,384.80

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Solution

The fourth proportional to 95,591.20, 143,386.80 and 80,384.80 is: 120,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,591.20 : 143,386.80 = 80,384.80 : x
  2. Step 2: Convert to fraction form
    95,591.20/143,386.80 = 80,384.80/x
  3. Step 3: Cross multiply
    95,591.20x = 143,386.80 × 80,384.80
  4. Step 4: Simplify right side
    95,591.20x = 11,526,119,240.64
  5. Step 5: Solve for x
    x = 11,526,119,240.64/95,591.20
  6. Step 6: Final answer
    x = 120,577.20

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