Home / 168,131.08-252,256.86-72,027.98

Finding the Fourth Proportional to 168,131.08, 252,256.86 and 72,027.98

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Solution

The fourth proportional to 168,131.08, 252,256.86 and 72,027.98 is: 108,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,131.08 : 252,256.86 = 72,027.98 : x
  2. Step 2: Convert to fraction form
    168,131.08/252,256.86 = 72,027.98/x
  3. Step 3: Cross multiply
    168,131.08x = 252,256.86 × 72,027.98
  4. Step 4: Simplify right side
    168,131.08x = 18,169,552,066.94
  5. Step 5: Solve for x
    x = 18,169,552,066.94/168,131.08
  6. Step 6: Final answer
    x = 108,067.78

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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.