Home / 126,292.28-189,388.92-47,363.48

Finding the Fourth Proportional to 126,292.28, 189,388.92 and 47,363.48

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Solution

The fourth proportional to 126,292.28, 189,388.92 and 47,363.48 is: 71,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,292.28 : 189,388.92 = 47,363.48 : x
  2. Step 2: Convert to fraction form
    126,292.28/189,388.92 = 47,363.48/x
  3. Step 3: Cross multiply
    126,292.28x = 189,388.92 × 47,363.48
  4. Step 4: Simplify right side
    126,292.28x = 8,970,118,324.64
  5. Step 5: Solve for x
    x = 8,970,118,324.64/126,292.28
  6. Step 6: Final answer
    x = 71,026.66

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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.