Home / 225,681.54-311,446.66-162,138.26

Finding the Fourth Proportional to 225,681.54, 311,446.66 and 162,138.26

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Solution

The fourth proportional to 225,681.54, 311,446.66 and 162,138.26 is: 223,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,681.54 : 311,446.66 = 162,138.26 : x
  2. Step 2: Convert to fraction form
    225,681.54/311,446.66 = 162,138.26/x
  3. Step 3: Cross multiply
    225,681.54x = 311,446.66 × 162,138.26
  4. Step 4: Simplify right side
    225,681.54x = 50,497,419,535.21
  5. Step 5: Solve for x
    x = 50,497,419,535.21/225,681.54
  6. Step 6: Final answer
    x = 223,755.21

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1.5x scale

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.