Home / 140,308.26-193,622.97-76,644.42

Finding the Fourth Proportional to 140,308.26, 193,622.97 and 76,644.42

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Solution

The fourth proportional to 140,308.26, 193,622.97 and 76,644.42 is: 105,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,308.26 : 193,622.97 = 76,644.42 : x
  2. Step 2: Convert to fraction form
    140,308.26/193,622.97 = 76,644.42/x
  3. Step 3: Cross multiply
    140,308.26x = 193,622.97 × 76,644.42
  4. Step 4: Simplify right side
    140,308.26x = 14,840,120,234.33
  5. Step 5: Solve for x
    x = 14,840,120,234.33/140,308.26
  6. Step 6: Final answer
    x = 105,767.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.