Home / 151,729.10-227,593.65-81,745.10

Finding the Fourth Proportional to 151,729.10, 227,593.65 and 81,745.10

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Solution

The fourth proportional to 151,729.10, 227,593.65 and 81,745.10 is: 122,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,729.10 : 227,593.65 = 81,745.10 : x
  2. Step 2: Convert to fraction form
    151,729.10/227,593.65 = 81,745.10/x
  3. Step 3: Cross multiply
    151,729.10x = 227,593.65 × 81,745.10
  4. Step 4: Simplify right side
    151,729.10x = 18,604,665,678.62
  5. Step 5: Solve for x
    x = 18,604,665,678.62/151,729.10
  6. Step 6: Final answer
    x = 122,617.65

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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.