Home / 223,125.57-307,882.28-131,249.03

Finding the Fourth Proportional to 223,125.57, 307,882.28 and 131,249.03

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Solution

The fourth proportional to 223,125.57, 307,882.28 and 131,249.03 is: 181,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,125.57 : 307,882.28 = 131,249.03 : x
  2. Step 2: Convert to fraction form
    223,125.57/307,882.28 = 131,249.03/x
  3. Step 3: Cross multiply
    223,125.57x = 307,882.28 × 131,249.03
  4. Step 4: Simplify right side
    223,125.57x = 40,409,249,392.90
  5. Step 5: Solve for x
    x = 40,409,249,392.90/223,125.57
  6. Step 6: Final answer
    x = 181,105.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.