Home / 194,202.24-291,096-138,629.76

Finding the Fourth Proportional to 194,202.24, 291,096 and 138,629.76

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Solution

The fourth proportional to 194,202.24, 291,096 and 138,629.76 is: 207,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,202.24 : 291,096 = 138,629.76 : x
  2. Step 2: Convert to fraction form
    194,202.24/291,096 = 138,629.76/x
  3. Step 3: Cross multiply
    194,202.24x = 291,096 × 138,629.76
  4. Step 4: Simplify right side
    194,202.24x = 40,354,568,616.96
  5. Step 5: Solve for x
    x = 40,354,568,616.96/194,202.24
  6. Step 6: Final answer
    x = 207,796.62

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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.