Home / 193,767.08-290,493.77-60,578.78

Finding the Fourth Proportional to 193,767.08, 290,493.77 and 60,578.78

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Solution

The fourth proportional to 193,767.08, 290,493.77 and 60,578.78 is: 90,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,767.08 : 290,493.77 = 60,578.78 : x
  2. Step 2: Convert to fraction form
    193,767.08/290,493.77 = 60,578.78/x
  3. Step 3: Cross multiply
    193,767.08x = 290,493.77 × 60,578.78
  4. Step 4: Simplify right side
    193,767.08x = 17,597,756,428.84
  5. Step 5: Solve for x
    x = 17,597,756,428.84/193,767.08
  6. Step 6: Final answer
    x = 90,819.13

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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.