Home / 225,546.19-311,253.74-134,905.97

Finding the Fourth Proportional to 225,546.19, 311,253.74 and 134,905.97

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Solution

The fourth proportional to 225,546.19, 311,253.74 and 134,905.97 is: 186,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,546.19 : 311,253.74 = 134,905.97 : x
  2. Step 2: Convert to fraction form
    225,546.19/311,253.74 = 134,905.97/x
  3. Step 3: Cross multiply
    225,546.19x = 311,253.74 × 134,905.97
  4. Step 4: Simplify right side
    225,546.19x = 41,989,988,320.33
  5. Step 5: Solve for x
    x = 41,989,988,320.33/225,546.19
  6. Step 6: Final answer
    x = 186,170.24

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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.