Home / 225,938.97-311,793.10-123,965.34

Finding the Fourth Proportional to 225,938.97, 311,793.10 and 123,965.34

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Solution

The fourth proportional to 225,938.97, 311,793.10 and 123,965.34 is: 171,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,938.97 : 311,793.10 = 123,965.34 : x
  2. Step 2: Convert to fraction form
    225,938.97/311,793.10 = 123,965.34/x
  3. Step 3: Cross multiply
    225,938.97x = 311,793.10 × 123,965.34
  4. Step 4: Simplify right side
    225,938.97x = 38,651,536,172.02
  5. Step 5: Solve for x
    x = 38,651,536,172.02/225,938.97
  6. Step 6: Final answer
    x = 171,070.69

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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.