Home / 67,174.08-100,761.28-30,194.88

Finding the Fourth Proportional to 67,174.08, 100,761.28 and 30,194.88

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Solution

The fourth proportional to 67,174.08, 100,761.28 and 30,194.88 is: 45,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174.08 : 100,761.28 = 30,194.88 : x
  2. Step 2: Convert to fraction form
    67,174.08/100,761.28 = 30,194.88/x
  3. Step 3: Cross multiply
    67,174.08x = 100,761.28 × 30,194.88
  4. Step 4: Simplify right side
    67,174.08x = 3,042,474,758.25
  5. Step 5: Solve for x
    x = 3,042,474,758.25/67,174.08
  6. Step 6: Final answer
    x = 45,292.39

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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.