Home / 193,822.68-290,846.82-81,494.76

Finding the Fourth Proportional to 193,822.68, 290,846.82 and 81,494.76

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Solution

The fourth proportional to 193,822.68, 290,846.82 and 81,494.76 is: 122,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,822.68 : 290,846.82 = 81,494.76 : x
  2. Step 2: Convert to fraction form
    193,822.68/290,846.82 = 81,494.76/x
  3. Step 3: Cross multiply
    193,822.68x = 290,846.82 × 81,494.76
  4. Step 4: Simplify right side
    193,822.68x = 23,702,491,792.66
  5. Step 5: Solve for x
    x = 23,702,491,792.66/193,822.68
  6. Step 6: Final answer
    x = 122,289.57

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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.