Home / 219,886.28-303,456.49-123,088.25

Finding the Fourth Proportional to 219,886.28, 303,456.49 and 123,088.25

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Solution

The fourth proportional to 219,886.28, 303,456.49 and 123,088.25 is: 169,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,886.28 : 303,456.49 = 123,088.25 : x
  2. Step 2: Convert to fraction form
    219,886.28/303,456.49 = 123,088.25/x
  3. Step 3: Cross multiply
    219,886.28x = 303,456.49 × 123,088.25
  4. Step 4: Simplify right side
    219,886.28x = 37,351,926,480.24
  5. Step 5: Solve for x
    x = 37,351,926,480.24/219,886.28
  6. Step 6: Final answer
    x = 169,869.29

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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.