Home / 114,785.20-172,190.88-30,548.82

Finding the Fourth Proportional to 114,785.20, 172,190.88 and 30,548.82

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Solution

The fourth proportional to 114,785.20, 172,190.88 and 30,548.82 is: 45,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,785.20 : 172,190.88 = 30,548.82 : x
  2. Step 2: Convert to fraction form
    114,785.20/172,190.88 = 30,548.82/x
  3. Step 3: Cross multiply
    114,785.20x = 172,190.88 × 30,548.82
  4. Step 4: Simplify right side
    114,785.20x = 5,260,228,198.76
  5. Step 5: Solve for x
    x = 5,260,228,198.76/114,785.20
  6. Step 6: Final answer
    x = 45,826.71

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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.