Home / 196,185.62-270,745.05-115,616.54

Finding the Fourth Proportional to 196,185.62, 270,745.05 and 115,616.54

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Solution

The fourth proportional to 196,185.62, 270,745.05 and 115,616.54 is: 159,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,185.62 : 270,745.05 = 115,616.54 : x
  2. Step 2: Convert to fraction form
    196,185.62/270,745.05 = 115,616.54/x
  3. Step 3: Cross multiply
    196,185.62x = 270,745.05 × 115,616.54
  4. Step 4: Simplify right side
    196,185.62x = 31,302,604,549.40
  5. Step 5: Solve for x
    x = 31,302,604,549.40/196,185.62
  6. Step 6: Final answer
    x = 159,556.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.