Home / 225,502.32-311,189.27-123,529.80

Finding the Fourth Proportional to 225,502.32, 311,189.27 and 123,529.80

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Solution

The fourth proportional to 225,502.32, 311,189.27 and 123,529.80 is: 170,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,502.32 : 311,189.27 = 123,529.80 : x
  2. Step 2: Convert to fraction form
    225,502.32/311,189.27 = 123,529.80/x
  3. Step 3: Cross multiply
    225,502.32x = 311,189.27 × 123,529.80
  4. Step 4: Simplify right side
    225,502.32x = 38,441,147,667.60
  5. Step 5: Solve for x
    x = 38,441,147,667.60/225,502.32
  6. Step 6: Final answer
    x = 170,468.97

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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.