Home / 131,481.20-196,930.20-52,554.80

Finding the Fourth Proportional to 131,481.20, 196,930.20 and 52,554.80

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Solution

The fourth proportional to 131,481.20, 196,930.20 and 52,554.80 is: 78,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,481.20 : 196,930.20 = 52,554.80 : x
  2. Step 2: Convert to fraction form
    131,481.20/196,930.20 = 52,554.80/x
  3. Step 3: Cross multiply
    131,481.20x = 196,930.20 × 52,554.80
  4. Step 4: Simplify right side
    131,481.20x = 10,349,627,274.96
  5. Step 5: Solve for x
    x = 10,349,627,274.96/131,481.20
  6. Step 6: Final answer
    x = 78,715.64

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1.5x scale

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.