Home / 131,480.20-196,928.70-52,553.80

Finding the Fourth Proportional to 131,480.20, 196,928.70 and 52,553.80

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Solution

The fourth proportional to 131,480.20, 196,928.70 and 52,553.80 is: 78,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,480.20 : 196,928.70 = 52,553.80 : x
  2. Step 2: Convert to fraction form
    131,480.20/196,928.70 = 52,553.80/x
  3. Step 3: Cross multiply
    131,480.20x = 196,928.70 × 52,553.80
  4. Step 4: Simplify right side
    131,480.20x = 10,349,351,514.06
  5. Step 5: Solve for x
    x = 10,349,351,514.06/131,480.20
  6. Step 6: Final answer
    x = 78,714.14

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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.