Home / 126,745.91-174,907.85-69,384.54

Finding the Fourth Proportional to 126,745.91, 174,907.85 and 69,384.54

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Solution

The fourth proportional to 126,745.91, 174,907.85 and 69,384.54 is: 95,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,745.91 : 174,907.85 = 69,384.54 : x
  2. Step 2: Convert to fraction form
    126,745.91/174,907.85 = 69,384.54/x
  3. Step 3: Cross multiply
    126,745.91x = 174,907.85 × 69,384.54
  4. Step 4: Simplify right side
    126,745.91x = 12,135,901,325.37
  5. Step 5: Solve for x
    x = 12,135,901,325.37/126,745.91
  6. Step 6: Final answer
    x = 95,749.85

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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.