Home / 225,622.05-338,359.26-105,641.87

Finding the Fourth Proportional to 225,622.05, 338,359.26 and 105,641.87

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Solution

The fourth proportional to 225,622.05, 338,359.26 and 105,641.87 is: 158,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,622.05 : 338,359.26 = 105,641.87 : x
  2. Step 2: Convert to fraction form
    225,622.05/338,359.26 = 105,641.87/x
  3. Step 3: Cross multiply
    225,622.05x = 338,359.26 × 105,641.87
  4. Step 4: Simplify right side
    225,622.05x = 35,744,903,266.42
  5. Step 5: Solve for x
    x = 35,744,903,266.42/225,622.05
  6. Step 6: Final answer
    x = 158,428.24

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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.