Home / 129,912.03-194,902.26-55,035.21

Finding the Fourth Proportional to 129,912.03, 194,902.26 and 55,035.21

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Solution

The fourth proportional to 129,912.03, 194,902.26 and 55,035.21 is: 82,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,912.03 : 194,902.26 = 55,035.21 : x
  2. Step 2: Convert to fraction form
    129,912.03/194,902.26 = 55,035.21/x
  3. Step 3: Cross multiply
    129,912.03x = 194,902.26 × 55,035.21
  4. Step 4: Simplify right side
    129,912.03x = 10,726,486,808.57
  5. Step 5: Solve for x
    x = 10,726,486,808.57/129,912.03
  6. Step 6: Final answer
    x = 82,567.31

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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.