Home / 225,812.19-338,718.88-76,157.61

Finding the Fourth Proportional to 225,812.19, 338,718.88 and 76,157.61

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Solution

The fourth proportional to 225,812.19, 338,718.88 and 76,157.61 is: 114,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,812.19 : 338,718.88 = 76,157.61 : x
  2. Step 2: Convert to fraction form
    225,812.19/338,718.88 = 76,157.61/x
  3. Step 3: Cross multiply
    225,812.19x = 338,718.88 × 76,157.61
  4. Step 4: Simplify right side
    225,812.19x = 25,796,020,362.68
  5. Step 5: Solve for x
    x = 25,796,020,362.68/225,812.19
  6. Step 6: Final answer
    x = 114,236.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.