Home / 225,822.80-311,624.92-130,360.25

Finding the Fourth Proportional to 225,822.80, 311,624.92 and 130,360.25

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Solution

The fourth proportional to 225,822.80, 311,624.92 and 130,360.25 is: 179,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,822.80 : 311,624.92 = 130,360.25 : x
  2. Step 2: Convert to fraction form
    225,822.80/311,624.92 = 130,360.25/x
  3. Step 3: Cross multiply
    225,822.80x = 311,624.92 × 130,360.25
  4. Step 4: Simplify right side
    225,822.80x = 40,623,503,419.44
  5. Step 5: Solve for x
    x = 40,623,503,419.44/225,822.80
  6. Step 6: Final answer
    x = 179,891.06

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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.