Home / 129,104.40-193,725.40-50,221.20

Finding the Fourth Proportional to 129,104.40, 193,725.40 and 50,221.20

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Solution

The fourth proportional to 129,104.40, 193,725.40 and 50,221.20 is: 75,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,104.40 : 193,725.40 = 50,221.20 : x
  2. Step 2: Convert to fraction form
    129,104.40/193,725.40 = 50,221.20/x
  3. Step 3: Cross multiply
    129,104.40x = 193,725.40 × 50,221.20
  4. Step 4: Simplify right side
    129,104.40x = 9,729,122,058.48
  5. Step 5: Solve for x
    x = 9,729,122,058.48/129,104.40
  6. Step 6: Final answer
    x = 75,358.56

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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.