Home / 146,179.20-201,722.40-82,531.20

Finding the Fourth Proportional to 146,179.20, 201,722.40 and 82,531.20

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Solution

The fourth proportional to 146,179.20, 201,722.40 and 82,531.20 is: 113,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,179.20 : 201,722.40 = 82,531.20 : x
  2. Step 2: Convert to fraction form
    146,179.20/201,722.40 = 82,531.20/x
  3. Step 3: Cross multiply
    146,179.20x = 201,722.40 × 82,531.20
  4. Step 4: Simplify right side
    146,179.20x = 16,648,391,738.88
  5. Step 5: Solve for x
    x = 16,648,391,738.88/146,179.20
  6. Step 6: Final answer
    x = 113,890.29

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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.