Home / 221,027.91-331,606.56-71,265.18

Finding the Fourth Proportional to 221,027.91, 331,606.56 and 71,265.18

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Solution

The fourth proportional to 221,027.91, 331,606.56 and 71,265.18 is: 106,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,027.91 : 331,606.56 = 71,265.18 : x
  2. Step 2: Convert to fraction form
    221,027.91/331,606.56 = 71,265.18/x
  3. Step 3: Cross multiply
    221,027.91x = 331,606.56 × 71,265.18
  4. Step 4: Simplify right side
    221,027.91x = 23,632,001,187.58
  5. Step 5: Solve for x
    x = 23,632,001,187.58/221,027.91
  6. Step 6: Final answer
    x = 106,918.63

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1.5x scale

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.