Home / 143,256.66-214,589.67-83,912.41

Finding the Fourth Proportional to 143,256.66, 214,589.67 and 83,912.41

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Solution

The fourth proportional to 143,256.66, 214,589.67 and 83,912.41 is: 125,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,256.66 : 214,589.67 = 83,912.41 : x
  2. Step 2: Convert to fraction form
    143,256.66/214,589.67 = 83,912.41/x
  3. Step 3: Cross multiply
    143,256.66x = 214,589.67 × 83,912.41
  4. Step 4: Simplify right side
    143,256.66x = 18,006,736,370.80
  5. Step 5: Solve for x
    x = 18,006,736,370.80/143,256.66
  6. Step 6: Final answer
    x = 125,695.63

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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.