Home / 225,824.18-311,640.49-123,842.91

Finding the Fourth Proportional to 225,824.18, 311,640.49 and 123,842.91

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Solution

The fourth proportional to 225,824.18, 311,640.49 and 123,842.91 is: 170,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,824.18 : 311,640.49 = 123,842.91 : x
  2. Step 2: Convert to fraction form
    225,824.18/311,640.49 = 123,842.91/x
  3. Step 3: Cross multiply
    225,824.18x = 311,640.49 × 123,842.91
  4. Step 4: Simplify right side
    225,824.18x = 38,594,466,478.88
  5. Step 5: Solve for x
    x = 38,594,466,478.88/225,824.18
  6. Step 6: Final answer
    x = 170,904.94

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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.