Home / 143,255.19-214,976.03-54,509.43

Finding the Fourth Proportional to 143,255.19, 214,976.03 and 54,509.43

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Solution

The fourth proportional to 143,255.19, 214,976.03 and 54,509.43 is: 81,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,255.19 : 214,976.03 = 54,509.43 : x
  2. Step 2: Convert to fraction form
    143,255.19/214,976.03 = 54,509.43/x
  3. Step 3: Cross multiply
    143,255.19x = 214,976.03 × 54,509.43
  4. Step 4: Simplify right side
    143,255.19x = 11,718,220,586.42
  5. Step 5: Solve for x
    x = 11,718,220,586.42/143,255.19
  6. Step 6: Final answer
    x = 81,799.62

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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.