Home / 196,740.24-271,177.80-139,398.80

Finding the Fourth Proportional to 196,740.24, 271,177.80 and 139,398.80

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Solution

The fourth proportional to 196,740.24, 271,177.80 and 139,398.80 is: 192,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,740.24 : 271,177.80 = 139,398.80 : x
  2. Step 2: Convert to fraction form
    196,740.24/271,177.80 = 139,398.80/x
  3. Step 3: Cross multiply
    196,740.24x = 271,177.80 × 139,398.80
  4. Step 4: Simplify right side
    196,740.24x = 37,801,859,906.64
  5. Step 5: Solve for x
    x = 37,801,859,906.64/196,740.24
  6. Step 6: Final answer
    x = 192,140.97

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1.5x scale

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.