Home / 129,099.96-193,575.45-50,121.92

Finding the Fourth Proportional to 129,099.96, 193,575.45 and 50,121.92

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Solution

The fourth proportional to 129,099.96, 193,575.45 and 50,121.92 is: 75,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,099.96 : 193,575.45 = 50,121.92 : x
  2. Step 2: Convert to fraction form
    129,099.96/193,575.45 = 50,121.92/x
  3. Step 3: Cross multiply
    129,099.96x = 193,575.45 × 50,121.92
  4. Step 4: Simplify right side
    129,099.96x = 9,702,373,890.76
  5. Step 5: Solve for x
    x = 9,702,373,890.76/129,099.96
  6. Step 6: Final answer
    x = 75,153.97

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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.