Home / 225,897.21-311,740.56-123,922.85

Finding the Fourth Proportional to 225,897.21, 311,740.56 and 123,922.85

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Solution

The fourth proportional to 225,897.21, 311,740.56 and 123,922.85 is: 171,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,897.21 : 311,740.56 = 123,922.85 : x
  2. Step 2: Convert to fraction form
    225,897.21/311,740.56 = 123,922.85/x
  3. Step 3: Cross multiply
    225,897.21x = 311,740.56 × 123,922.85
  4. Step 4: Simplify right side
    225,897.21x = 38,631,777,097.09
  5. Step 5: Solve for x
    x = 38,631,777,097.09/225,897.21
  6. Step 6: Final answer
    x = 171,014.85

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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.