Home / 172,375.05-258,082.65-87,952.80

Finding the Fourth Proportional to 172,375.05, 258,082.65 and 87,952.80

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Solution

The fourth proportional to 172,375.05, 258,082.65 and 87,952.80 is: 131,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,375.05 : 258,082.65 = 87,952.80 : x
  2. Step 2: Convert to fraction form
    172,375.05/258,082.65 = 87,952.80/x
  3. Step 3: Cross multiply
    172,375.05x = 258,082.65 × 87,952.80
  4. Step 4: Simplify right side
    172,375.05x = 22,699,091,698.92
  5. Step 5: Solve for x
    x = 22,699,091,698.92/172,375.05
  6. Step 6: Final answer
    x = 131,684.32

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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.