Home / 196,008.76-270,205.78-138,546.70

Finding the Fourth Proportional to 196,008.76, 270,205.78 and 138,546.70

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Solution

The fourth proportional to 196,008.76, 270,205.78 and 138,546.70 is: 190,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,008.76 : 270,205.78 = 138,546.70 : x
  2. Step 2: Convert to fraction form
    196,008.76/270,205.78 = 138,546.70/x
  3. Step 3: Cross multiply
    196,008.76x = 270,205.78 × 138,546.70
  4. Step 4: Simplify right side
    196,008.76x = 37,436,118,447.19
  5. Step 5: Solve for x
    x = 37,436,118,447.19/196,008.76
  6. Step 6: Final answer
    x = 190,992.07

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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.