Home / 281,896.12-422,786.76-104,360.92

Finding the Fourth Proportional to 281,896.12, 422,786.76 and 104,360.92

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Solution

The fourth proportional to 281,896.12, 422,786.76 and 104,360.92 is: 156,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,896.12 : 422,786.76 = 104,360.92 : x
  2. Step 2: Convert to fraction form
    281,896.12/422,786.76 = 104,360.92/x
  3. Step 3: Cross multiply
    281,896.12x = 422,786.76 × 104,360.92
  4. Step 4: Simplify right side
    281,896.12x = 44,122,415,237.42
  5. Step 5: Solve for x
    x = 44,122,415,237.42/281,896.12
  6. Step 6: Final answer
    x = 156,520.12

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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.