Home / 126,443.46-189,693.45-47,558.37

Finding the Fourth Proportional to 126,443.46, 189,693.45 and 47,558.37

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Solution

The fourth proportional to 126,443.46, 189,693.45 and 47,558.37 is: 71,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,443.46 : 189,693.45 = 47,558.37 : x
  2. Step 2: Convert to fraction form
    126,443.46/189,693.45 = 47,558.37/x
  3. Step 3: Cross multiply
    126,443.46x = 189,693.45 × 47,558.37
  4. Step 4: Simplify right side
    126,443.46x = 9,021,511,281.68
  5. Step 5: Solve for x
    x = 9,021,511,281.68/126,443.46
  6. Step 6: Final answer
    x = 71,348.18

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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.