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Finding the Fourth Proportional to 126,338.82, 189,482.13 and 47,451.30

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Solution

The fourth proportional to 126,338.82, 189,482.13 and 47,451.30 is: 71,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,338.82 : 189,482.13 = 47,451.30 : x
  2. Step 2: Convert to fraction form
    126,338.82/189,482.13 = 47,451.30/x
  3. Step 3: Cross multiply
    126,338.82x = 189,482.13 × 47,451.30
  4. Step 4: Simplify right side
    126,338.82x = 8,991,173,395.27
  5. Step 5: Solve for x
    x = 8,991,173,395.27/126,338.82
  6. Step 6: Final answer
    x = 71,167.15

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