Home / 168,164.32-252,245.58-72,087.38

Finding the Fourth Proportional to 168,164.32, 252,245.58 and 72,087.38

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Solution

The fourth proportional to 168,164.32, 252,245.58 and 72,087.38 is: 108,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,164.32 : 252,245.58 = 72,087.38 : x
  2. Step 2: Convert to fraction form
    168,164.32/252,245.58 = 72,087.38/x
  3. Step 3: Cross multiply
    168,164.32x = 252,245.58 × 72,087.38
  4. Step 4: Simplify right side
    168,164.32x = 18,183,722,978.78
  5. Step 5: Solve for x
    x = 18,183,722,978.78/168,164.32
  6. Step 6: Final answer
    x = 108,130.68

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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.