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Finding the Fourth Proportional to 132,070.96, 198,099.42 and 43,312.78

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Solution

The fourth proportional to 132,070.96, 198,099.42 and 43,312.78 is: 64,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.96 : 198,099.42 = 43,312.78 : x
  2. Step 2: Convert to fraction form
    132,070.96/198,099.42 = 43,312.78/x
  3. Step 3: Cross multiply
    132,070.96x = 198,099.42 × 43,312.78
  4. Step 4: Simplify right side
    132,070.96x = 8,580,236,596.59
  5. Step 5: Solve for x
    x = 8,580,236,596.59/132,070.96
  6. Step 6: Final answer
    x = 64,966.87

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