Home / 126,020.48-189,246.44-84,169.52

Finding the Fourth Proportional to 126,020.48, 189,246.44 and 84,169.52

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Solution

The fourth proportional to 126,020.48, 189,246.44 and 84,169.52 is: 126,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,020.48 : 189,246.44 = 84,169.52 : x
  2. Step 2: Convert to fraction form
    126,020.48/189,246.44 = 84,169.52/x
  3. Step 3: Cross multiply
    126,020.48x = 189,246.44 × 84,169.52
  4. Step 4: Simplify right side
    126,020.48x = 15,928,782,016.51
  5. Step 5: Solve for x
    x = 15,928,782,016.51/126,020.48
  6. Step 6: Final answer
    x = 126,398.36

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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.