Home / 101,269.46-139,751.20-55,950.38

Finding the Fourth Proportional to 101,269.46, 139,751.20 and 55,950.38

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Solution

The fourth proportional to 101,269.46, 139,751.20 and 55,950.38 is: 77,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,269.46 : 139,751.20 = 55,950.38 : x
  2. Step 2: Convert to fraction form
    101,269.46/139,751.20 = 55,950.38/x
  3. Step 3: Cross multiply
    101,269.46x = 139,751.20 × 55,950.38
  4. Step 4: Simplify right side
    101,269.46x = 7,819,132,745.46
  5. Step 5: Solve for x
    x = 7,819,132,745.46/101,269.46
  6. Step 6: Final answer
    x = 77,211.16

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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.