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Finding the Fourth Proportional to 141,782.92, 195,655.80 and 81,352.60

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Solution

The fourth proportional to 141,782.92, 195,655.80 and 81,352.60 is: 112,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,782.92 : 195,655.80 = 81,352.60 : x
  2. Step 2: Convert to fraction form
    141,782.92/195,655.80 = 81,352.60/x
  3. Step 3: Cross multiply
    141,782.92x = 195,655.80 × 81,352.60
  4. Step 4: Simplify right side
    141,782.92x = 15,917,108,035.08
  5. Step 5: Solve for x
    x = 15,917,108,035.08/141,782.92
  6. Step 6: Final answer
    x = 112,263.93

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