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Finding the Fourth Proportional to 132,415.70, 198,456.15 and 53,485.70

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Solution

The fourth proportional to 132,415.70, 198,456.15 and 53,485.70 is: 80,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,415.70 : 198,456.15 = 53,485.70 : x
  2. Step 2: Convert to fraction form
    132,415.70/198,456.15 = 53,485.70/x
  3. Step 3: Cross multiply
    132,415.70x = 198,456.15 × 53,485.70
  4. Step 4: Simplify right side
    132,415.70x = 10,614,566,102.06
  5. Step 5: Solve for x
    x = 10,614,566,102.06/132,415.70
  6. Step 6: Final answer
    x = 80,160.93

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