Home / 146,108.96-218,987.11-71,116.73

Finding the Fourth Proportional to 146,108.96, 218,987.11 and 71,116.73

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Solution

The fourth proportional to 146,108.96, 218,987.11 and 71,116.73 is: 106,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,108.96 : 218,987.11 = 71,116.73 : x
  2. Step 2: Convert to fraction form
    146,108.96/218,987.11 = 71,116.73/x
  3. Step 3: Cross multiply
    146,108.96x = 218,987.11 × 71,116.73
  4. Step 4: Simplify right side
    146,108.96x = 15,573,647,175.35
  5. Step 5: Solve for x
    x = 15,573,647,175.35/146,108.96
  6. Step 6: Final answer
    x = 106,589.27

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1.5x scale

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.