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Finding the Fourth Proportional to 95,903.10, 143,854.65 and 86,571.90

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Solution

The fourth proportional to 95,903.10, 143,854.65 and 86,571.90 is: 129,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,903.10 : 143,854.65 = 86,571.90 : x
  2. Step 2: Convert to fraction form
    95,903.10/143,854.65 = 86,571.90/x
  3. Step 3: Cross multiply
    95,903.10x = 143,854.65 × 86,571.90
  4. Step 4: Simplify right side
    95,903.10x = 12,453,770,374.34
  5. Step 5: Solve for x
    x = 12,453,770,374.34/95,903.10
  6. Step 6: Final answer
    x = 129,857.85

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