Home / 225,190.82-310,767.27-123,225.21

Finding the Fourth Proportional to 225,190.82, 310,767.27 and 123,225.21

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Solution

The fourth proportional to 225,190.82, 310,767.27 and 123,225.21 is: 170,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,190.82 : 310,767.27 = 123,225.21 : x
  2. Step 2: Convert to fraction form
    225,190.82/310,767.27 = 123,225.21/x
  3. Step 3: Cross multiply
    225,190.82x = 310,767.27 × 123,225.21
  4. Step 4: Simplify right side
    225,190.82x = 38,294,360,553.04
  5. Step 5: Solve for x
    x = 38,294,360,553.04/225,190.82
  6. Step 6: Final answer
    x = 170,052.94

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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.