Home / 133,020.68-199,418.66-61,906.62

Finding the Fourth Proportional to 133,020.68, 199,418.66 and 61,906.62

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Solution

The fourth proportional to 133,020.68, 199,418.66 and 61,906.62 is: 92,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.68 : 199,418.66 = 61,906.62 : x
  2. Step 2: Convert to fraction form
    133,020.68/199,418.66 = 61,906.62/x
  3. Step 3: Cross multiply
    133,020.68x = 199,418.66 × 61,906.62
  4. Step 4: Simplify right side
    133,020.68x = 12,345,335,205.53
  5. Step 5: Solve for x
    x = 12,345,335,205.53/133,020.68
  6. Step 6: Final answer
    x = 92,807.64

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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.