Home / 142,679.38-214,033.23-52,745.66

Finding the Fourth Proportional to 142,679.38, 214,033.23 and 52,745.66

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Solution

The fourth proportional to 142,679.38, 214,033.23 and 52,745.66 is: 79,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,679.38 : 214,033.23 = 52,745.66 : x
  2. Step 2: Convert to fraction form
    142,679.38/214,033.23 = 52,745.66/x
  3. Step 3: Cross multiply
    142,679.38x = 214,033.23 × 52,745.66
  4. Step 4: Simplify right side
    142,679.38x = 11,289,324,513.36
  5. Step 5: Solve for x
    x = 11,289,324,513.36/142,679.38
  6. Step 6: Final answer
    x = 79,123.73

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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.