Home / 126,439.96-189,667.25-47,554.87

Finding the Fourth Proportional to 126,439.96, 189,667.25 and 47,554.87

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Solution

The fourth proportional to 126,439.96, 189,667.25 and 47,554.87 is: 71,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,439.96 : 189,667.25 = 47,554.87 : x
  2. Step 2: Convert to fraction form
    126,439.96/189,667.25 = 47,554.87/x
  3. Step 3: Cross multiply
    126,439.96x = 189,667.25 × 47,554.87
  4. Step 4: Simplify right side
    126,439.96x = 9,019,601,891.18
  5. Step 5: Solve for x
    x = 9,019,601,891.18/126,439.96
  6. Step 6: Final answer
    x = 71,335.06

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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.