Home / 154,629.78-231,944.82-42,301.68

Finding the Fourth Proportional to 154,629.78, 231,944.82 and 42,301.68

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Solution

The fourth proportional to 154,629.78, 231,944.82 and 42,301.68 is: 63,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,629.78 : 231,944.82 = 42,301.68 : x
  2. Step 2: Convert to fraction form
    154,629.78/231,944.82 = 42,301.68/x
  3. Step 3: Cross multiply
    154,629.78x = 231,944.82 × 42,301.68
  4. Step 4: Simplify right side
    154,629.78x = 9,811,655,553.30
  5. Step 5: Solve for x
    x = 9,811,655,553.30/154,629.78
  6. Step 6: Final answer
    x = 63,452.56

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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.