Home / 188,104.28-259,589.28-103,226.96

Finding the Fourth Proportional to 188,104.28, 259,589.28 and 103,226.96

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Solution

The fourth proportional to 188,104.28, 259,589.28 and 103,226.96 is: 142,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,104.28 : 259,589.28 = 103,226.96 : x
  2. Step 2: Convert to fraction form
    188,104.28/259,589.28 = 103,226.96/x
  3. Step 3: Cross multiply
    188,104.28x = 259,589.28 × 103,226.96
  4. Step 4: Simplify right side
    188,104.28x = 26,796,612,222.99
  5. Step 5: Solve for x
    x = 26,796,612,222.99/188,104.28
  6. Step 6: Final answer
    x = 142,456.15

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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.