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Finding the Fourth Proportional to 121,786.43, 182,675.52 and 42,898.59

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Solution

The fourth proportional to 121,786.43, 182,675.52 and 42,898.59 is: 64,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,786.43 : 182,675.52 = 42,898.59 : x
  2. Step 2: Convert to fraction form
    121,786.43/182,675.52 = 42,898.59/x
  3. Step 3: Cross multiply
    121,786.43x = 182,675.52 × 42,898.59
  4. Step 4: Simplify right side
    121,786.43x = 7,836,522,235.52
  5. Step 5: Solve for x
    x = 7,836,522,235.52/121,786.43
  6. Step 6: Final answer
    x = 64,346.43

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