Home / 101,024.22-139,414.41-55,703.85

Finding the Fourth Proportional to 101,024.22, 139,414.41 and 55,703.85

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Solution

The fourth proportional to 101,024.22, 139,414.41 and 55,703.85 is: 76,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,024.22 : 139,414.41 = 55,703.85 : x
  2. Step 2: Convert to fraction form
    101,024.22/139,414.41 = 55,703.85/x
  3. Step 3: Cross multiply
    101,024.22x = 139,414.41 × 55,703.85
  4. Step 4: Simplify right side
    101,024.22x = 7,765,919,382.48
  5. Step 5: Solve for x
    x = 7,765,919,382.48/101,024.22
  6. Step 6: Final answer
    x = 76,871.86

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1.5x scale

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.