Home / 225,537.03-311,237.32-123,561.54

Finding the Fourth Proportional to 225,537.03, 311,237.32 and 123,561.54

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Solution

The fourth proportional to 225,537.03, 311,237.32 and 123,561.54 is: 170,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,537.03 : 311,237.32 = 123,561.54 : x
  2. Step 2: Convert to fraction form
    225,537.03/311,237.32 = 123,561.54/x
  3. Step 3: Cross multiply
    225,537.03x = 311,237.32 × 123,561.54
  4. Step 4: Simplify right side
    225,537.03x = 38,456,962,564.67
  5. Step 5: Solve for x
    x = 38,456,962,564.67/225,537.03
  6. Step 6: Final answer
    x = 170,512.85

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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.