Home / 129,837.78-194,737.14-41,079.73

Finding the Fourth Proportional to 129,837.78, 194,737.14 and 41,079.73

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Solution

The fourth proportional to 129,837.78, 194,737.14 and 41,079.73 is: 61,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,837.78 : 194,737.14 = 41,079.73 : x
  2. Step 2: Convert to fraction form
    129,837.78/194,737.14 = 41,079.73/x
  3. Step 3: Cross multiply
    129,837.78x = 194,737.14 × 41,079.73
  4. Step 4: Simplify right side
    129,837.78x = 7,999,749,619.02
  5. Step 5: Solve for x
    x = 7,999,749,619.02/129,837.78
  6. Step 6: Final answer
    x = 61,613.42

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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.