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Finding the Fourth Proportional to 126,429.39, 189,671.80 and 47,543.59

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Solution

The fourth proportional to 126,429.39, 189,671.80 and 47,543.59 is: 71,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,429.39 : 189,671.80 = 47,543.59 : x
  2. Step 2: Convert to fraction form
    126,429.39/189,671.80 = 47,543.59/x
  3. Step 3: Cross multiply
    126,429.39x = 189,671.80 × 47,543.59
  4. Step 4: Simplify right side
    126,429.39x = 9,017,678,293.76
  5. Step 5: Solve for x
    x = 9,017,678,293.76/126,429.39
  6. Step 6: Final answer
    x = 71,325.81

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