Home / 140,635.14-194,170.46-83,292.91

Finding the Fourth Proportional to 140,635.14, 194,170.46 and 83,292.91

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Solution

The fourth proportional to 140,635.14, 194,170.46 and 83,292.91 is: 114,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,635.14 : 194,170.46 = 83,292.91 : x
  2. Step 2: Convert to fraction form
    140,635.14/194,170.46 = 83,292.91/x
  3. Step 3: Cross multiply
    140,635.14x = 194,170.46 × 83,292.91
  4. Step 4: Simplify right side
    140,635.14x = 16,173,022,649.44
  5. Step 5: Solve for x
    x = 16,173,022,649.44/140,635.14
  6. Step 6: Final answer
    x = 114,999.87

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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.