Home / 126,745.24-174,896.52-75,747.76

Finding the Fourth Proportional to 126,745.24, 174,896.52 and 75,747.76

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Solution

The fourth proportional to 126,745.24, 174,896.52 and 75,747.76 is: 104,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,745.24 : 174,896.52 = 75,747.76 : x
  2. Step 2: Convert to fraction form
    126,745.24/174,896.52 = 75,747.76/x
  3. Step 3: Cross multiply
    126,745.24x = 174,896.52 × 75,747.76
  4. Step 4: Simplify right side
    126,745.24x = 13,248,019,621.80
  5. Step 5: Solve for x
    x = 13,248,019,621.80/126,745.24
  6. Step 6: Final answer
    x = 104,524.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.