Home / 225,729.87-338,646.81-75,966.24

Finding the Fourth Proportional to 225,729.87, 338,646.81 and 75,966.24

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Solution

The fourth proportional to 225,729.87, 338,646.81 and 75,966.24 is: 113,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,729.87 : 338,646.81 = 75,966.24 : x
  2. Step 2: Convert to fraction form
    225,729.87/338,646.81 = 75,966.24/x
  3. Step 3: Cross multiply
    225,729.87x = 338,646.81 × 75,966.24
  4. Step 4: Simplify right side
    225,729.87x = 25,725,724,843.69
  5. Step 5: Solve for x
    x = 25,725,724,843.69/225,729.87
  6. Step 6: Final answer
    x = 113,966.86

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1.5x scale

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.