Home / 221,741.82-332,743.95-81,598.86

Finding the Fourth Proportional to 221,741.82, 332,743.95 and 81,598.86

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Solution

The fourth proportional to 221,741.82, 332,743.95 and 81,598.86 is: 122,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,741.82 : 332,743.95 = 81,598.86 : x
  2. Step 2: Convert to fraction form
    221,741.82/332,743.95 = 81,598.86/x
  3. Step 3: Cross multiply
    221,741.82x = 332,743.95 × 81,598.86
  4. Step 4: Simplify right side
    221,741.82x = 27,151,526,991.90
  5. Step 5: Solve for x
    x = 27,151,526,991.90/221,741.82
  6. Step 6: Final answer
    x = 122,446.58

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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.