Home / 168,142.88-252,288.61-88,161.73

Finding the Fourth Proportional to 168,142.88, 252,288.61 and 88,161.73

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Solution

The fourth proportional to 168,142.88, 252,288.61 and 88,161.73 is: 132,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,142.88 : 252,288.61 = 88,161.73 : x
  2. Step 2: Convert to fraction form
    168,142.88/252,288.61 = 88,161.73/x
  3. Step 3: Cross multiply
    168,142.88x = 252,288.61 × 88,161.73
  4. Step 4: Simplify right side
    168,142.88x = 22,242,199,465.77
  5. Step 5: Solve for x
    x = 22,242,199,465.77/168,142.88
  6. Step 6: Final answer
    x = 132,281.54

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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.