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Finding the Fourth Proportional to 126,669.60, 189,885.60 and 47,836.80

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Solution

The fourth proportional to 126,669.60, 189,885.60 and 47,836.80 is: 71,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,669.60 : 189,885.60 = 47,836.80 : x
  2. Step 2: Convert to fraction form
    126,669.60/189,885.60 = 47,836.80/x
  3. Step 3: Cross multiply
    126,669.60x = 189,885.60 × 47,836.80
  4. Step 4: Simplify right side
    126,669.60x = 9,083,519,470.08
  5. Step 5: Solve for x
    x = 9,083,519,470.08/126,669.60
  6. Step 6: Final answer
    x = 71,710.34

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