Home / 146,635.38-220,029.48-80,063.10

Finding the Fourth Proportional to 146,635.38, 220,029.48 and 80,063.10

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Solution

The fourth proportional to 146,635.38, 220,029.48 and 80,063.10 is: 120,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,635.38 : 220,029.48 = 80,063.10 : x
  2. Step 2: Convert to fraction form
    146,635.38/220,029.48 = 80,063.10/x
  3. Step 3: Cross multiply
    146,635.38x = 220,029.48 × 80,063.10
  4. Step 4: Simplify right side
    146,635.38x = 17,616,242,260.19
  5. Step 5: Solve for x
    x = 17,616,242,260.19/146,635.38
  6. Step 6: Final answer
    x = 120,136.37

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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.