Home / 101,027.73-139,419.24-55,707.52

Finding the Fourth Proportional to 101,027.73, 139,419.24 and 55,707.52

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Solution

The fourth proportional to 101,027.73, 139,419.24 and 55,707.52 is: 76,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,027.73 : 139,419.24 = 55,707.52 : x
  2. Step 2: Convert to fraction form
    101,027.73/139,419.24 = 55,707.52/x
  3. Step 3: Cross multiply
    101,027.73x = 139,419.24 × 55,707.52
  4. Step 4: Simplify right side
    101,027.73x = 7,766,700,100.68
  5. Step 5: Solve for x
    x = 7,766,700,100.68/101,027.73
  6. Step 6: Final answer
    x = 76,876.91

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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.