Home / 123,806.43-185,639.94-39,546.80

Finding the Fourth Proportional to 123,806.43, 185,639.94 and 39,546.80

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Solution

The fourth proportional to 123,806.43, 185,639.94 and 39,546.80 is: 59,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,806.43 : 185,639.94 = 39,546.80 : x
  2. Step 2: Convert to fraction form
    123,806.43/185,639.94 = 39,546.80/x
  3. Step 3: Cross multiply
    123,806.43x = 185,639.94 × 39,546.80
  4. Step 4: Simplify right side
    123,806.43x = 7,341,464,650.99
  5. Step 5: Solve for x
    x = 7,341,464,650.99/123,806.43
  6. Step 6: Final answer
    x = 59,297.93

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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.