Home / 129,853.33-195,092.15-122,684.42

Finding the Fourth Proportional to 129,853.33, 195,092.15 and 122,684.42

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Solution

The fourth proportional to 129,853.33, 195,092.15 and 122,684.42 is: 184,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,853.33 : 195,092.15 = 122,684.42 : x
  2. Step 2: Convert to fraction form
    129,853.33/195,092.15 = 122,684.42/x
  3. Step 3: Cross multiply
    129,853.33x = 195,092.15 × 122,684.42
  4. Step 4: Simplify right side
    129,853.33x = 23,934,767,143.61
  5. Step 5: Solve for x
    x = 23,934,767,143.61/129,853.33
  6. Step 6: Final answer
    x = 184,321.55

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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.