Home / 126,391.10-189,586.10-51,494.54

Finding the Fourth Proportional to 126,391.10, 189,586.10 and 51,494.54

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Solution

The fourth proportional to 126,391.10, 189,586.10 and 51,494.54 is: 77,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,391.10 : 189,586.10 = 51,494.54 : x
  2. Step 2: Convert to fraction form
    126,391.10/189,586.10 = 51,494.54/x
  3. Step 3: Cross multiply
    126,391.10x = 189,586.10 × 51,494.54
  4. Step 4: Simplify right side
    126,391.10x = 9,762,648,190.70
  5. Step 5: Solve for x
    x = 9,762,648,190.70/126,391.10
  6. Step 6: Final answer
    x = 77,241.58

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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.