Home / 126,016.35-189,240.26-84,165.36

Finding the Fourth Proportional to 126,016.35, 189,240.26 and 84,165.36

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Solution

The fourth proportional to 126,016.35, 189,240.26 and 84,165.36 is: 126,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016.35 : 189,240.26 = 84,165.36 : x
  2. Step 2: Convert to fraction form
    126,016.35/189,240.26 = 84,165.36/x
  3. Step 3: Cross multiply
    126,016.35x = 189,240.26 × 84,165.36
  4. Step 4: Simplify right side
    126,016.35x = 15,927,474,609.39
  5. Step 5: Solve for x
    x = 15,927,474,609.39/126,016.35
  6. Step 6: Final answer
    x = 126,392.13

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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.