Home / 133,099.21-199,658.40-41,906.80

Finding the Fourth Proportional to 133,099.21, 199,658.40 and 41,906.80

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Solution

The fourth proportional to 133,099.21, 199,658.40 and 41,906.80 is: 62,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.21 : 199,658.40 = 41,906.80 : x
  2. Step 2: Convert to fraction form
    133,099.21/199,658.40 = 41,906.80/x
  3. Step 3: Cross multiply
    133,099.21x = 199,658.40 × 41,906.80
  4. Step 4: Simplify right side
    133,099.21x = 8,367,044,637.12
  5. Step 5: Solve for x
    x = 8,367,044,637.12/133,099.21
  6. Step 6: Final answer
    x = 62,863.22

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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.