Home / 129,067.56-193,611.06-35,572.50

Finding the Fourth Proportional to 129,067.56, 193,611.06 and 35,572.50

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Solution

The fourth proportional to 129,067.56, 193,611.06 and 35,572.50 is: 53,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,067.56 : 193,611.06 = 35,572.50 : x
  2. Step 2: Convert to fraction form
    129,067.56/193,611.06 = 35,572.50/x
  3. Step 3: Cross multiply
    129,067.56x = 193,611.06 × 35,572.50
  4. Step 4: Simplify right side
    129,067.56x = 6,887,229,431.85
  5. Step 5: Solve for x
    x = 6,887,229,431.85/129,067.56
  6. Step 6: Final answer
    x = 53,361.43

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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.