Home / 140,805.16-194,311.09-84,229.90

Finding the Fourth Proportional to 140,805.16, 194,311.09 and 84,229.90

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Solution

The fourth proportional to 140,805.16, 194,311.09 and 84,229.90 is: 116,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,805.16 : 194,311.09 = 84,229.90 : x
  2. Step 2: Convert to fraction form
    140,805.16/194,311.09 = 84,229.90/x
  3. Step 3: Cross multiply
    140,805.16x = 194,311.09 × 84,229.90
  4. Step 4: Simplify right side
    140,805.16x = 16,366,802,286.89
  5. Step 5: Solve for x
    x = 16,366,802,286.89/140,805.16
  6. Step 6: Final answer
    x = 116,237.24

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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.