Home / 225,810.19-338,715.88-76,155.61

Finding the Fourth Proportional to 225,810.19, 338,715.88 and 76,155.61

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Solution

The fourth proportional to 225,810.19, 338,715.88 and 76,155.61 is: 114,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,810.19 : 338,715.88 = 76,155.61 : x
  2. Step 2: Convert to fraction form
    225,810.19/338,715.88 = 76,155.61/x
  3. Step 3: Cross multiply
    225,810.19x = 338,715.88 × 76,155.61
  4. Step 4: Simplify right side
    225,810.19x = 25,795,112,627.04
  5. Step 5: Solve for x
    x = 25,795,112,627.04/225,810.19
  6. Step 6: Final answer
    x = 114,233.61

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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.