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Finding the Fourth Proportional to 80,203.74, 120,409.29 and 43,293.66

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Solution

The fourth proportional to 80,203.74, 120,409.29 and 43,293.66 is: 64,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,203.74 : 120,409.29 = 43,293.66 : x
  2. Step 2: Convert to fraction form
    80,203.74/120,409.29 = 43,293.66/x
  3. Step 3: Cross multiply
    80,203.74x = 120,409.29 × 43,293.66
  4. Step 4: Simplify right side
    80,203.74x = 5,212,958,862.10
  5. Step 5: Solve for x
    x = 5,212,958,862.10/80,203.74
  6. Step 6: Final answer
    x = 64,996.46

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