Home / 126,539.46-189,822.15-47,719.98

Finding the Fourth Proportional to 126,539.46, 189,822.15 and 47,719.98

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Solution

The fourth proportional to 126,539.46, 189,822.15 and 47,719.98 is: 71,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,539.46 : 189,822.15 = 47,719.98 : x
  2. Step 2: Convert to fraction form
    126,539.46/189,822.15 = 47,719.98/x
  3. Step 3: Cross multiply
    126,539.46x = 189,822.15 × 47,719.98
  4. Step 4: Simplify right side
    126,539.46x = 9,058,309,201.56
  5. Step 5: Solve for x
    x = 9,058,309,201.56/126,539.46
  6. Step 6: Final answer
    x = 71,584.86

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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.