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Finding the Fourth Proportional to 132,056.40, 198,110.20 and 66,392.40

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Solution

The fourth proportional to 132,056.40, 198,110.20 and 66,392.40 is: 99,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,056.40 : 198,110.20 = 66,392.40 : x
  2. Step 2: Convert to fraction form
    132,056.40/198,110.20 = 66,392.40/x
  3. Step 3: Cross multiply
    132,056.40x = 198,110.20 × 66,392.40
  4. Step 4: Simplify right side
    132,056.40x = 13,153,011,642.48
  5. Step 5: Solve for x
    x = 13,153,011,642.48/132,056.40
  6. Step 6: Final answer
    x = 99,601.47

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