Home / 168,561.20-253,005.60-131,524.40

Finding the Fourth Proportional to 168,561.20, 253,005.60 and 131,524.40

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Solution

The fourth proportional to 168,561.20, 253,005.60 and 131,524.40 is: 197,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,561.20 : 253,005.60 = 131,524.40 : x
  2. Step 2: Convert to fraction form
    168,561.20/253,005.60 = 131,524.40/x
  3. Step 3: Cross multiply
    168,561.20x = 253,005.60 × 131,524.40
  4. Step 4: Simplify right side
    168,561.20x = 33,276,409,736.64
  5. Step 5: Solve for x
    x = 33,276,409,736.64/168,561.20
  6. Step 6: Final answer
    x = 197,414.41

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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.