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Finding the Fourth Proportional to 132,061.60, 197,800.80 and 84,822.40

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Solution

The fourth proportional to 132,061.60, 197,800.80 and 84,822.40 is: 127,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,061.60 : 197,800.80 = 84,822.40 : x
  2. Step 2: Convert to fraction form
    132,061.60/197,800.80 = 84,822.40/x
  3. Step 3: Cross multiply
    132,061.60x = 197,800.80 × 84,822.40
  4. Step 4: Simplify right side
    132,061.60x = 16,777,938,577.92
  5. Step 5: Solve for x
    x = 16,777,938,577.92/132,061.60
  6. Step 6: Final answer
    x = 127,046.31

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