Home / 126,286.56-189,371.52-47,344.32

Finding the Fourth Proportional to 126,286.56, 189,371.52 and 47,344.32

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Solution

The fourth proportional to 126,286.56, 189,371.52 and 47,344.32 is: 70,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.56 : 189,371.52 = 47,344.32 : x
  2. Step 2: Convert to fraction form
    126,286.56/189,371.52 = 47,344.32/x
  3. Step 3: Cross multiply
    126,286.56x = 189,371.52 × 47,344.32
  4. Step 4: Simplify right side
    126,286.56x = 8,965,665,841.77
  5. Step 5: Solve for x
    x = 8,965,665,841.77/126,286.56
  6. Step 6: Final answer
    x = 70,994.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.