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Finding the Fourth Proportional to 95,959.20, 143,938.80 and 86,773.80

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Solution

The fourth proportional to 95,959.20, 143,938.80 and 86,773.80 is: 130,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,959.20 : 143,938.80 = 86,773.80 : x
  2. Step 2: Convert to fraction form
    95,959.20/143,938.80 = 86,773.80/x
  3. Step 3: Cross multiply
    95,959.20x = 143,938.80 × 86,773.80
  4. Step 4: Simplify right side
    95,959.20x = 12,490,116,643.44
  5. Step 5: Solve for x
    x = 12,490,116,643.44/95,959.20
  6. Step 6: Final answer
    x = 130,160.70

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