Home / 143,256.53-214,589.48-83,912.29

Finding the Fourth Proportional to 143,256.53, 214,589.48 and 83,912.29

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Solution

The fourth proportional to 143,256.53, 214,589.48 and 83,912.29 is: 125,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,256.53 : 214,589.48 = 83,912.29 : x
  2. Step 2: Convert to fraction form
    143,256.53/214,589.48 = 83,912.29/x
  3. Step 3: Cross multiply
    143,256.53x = 214,589.48 × 83,912.29
  4. Step 4: Simplify right side
    143,256.53x = 18,006,693,813.54
  5. Step 5: Solve for x
    x = 18,006,693,813.54/143,256.53
  6. Step 6: Final answer
    x = 125,695.45

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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.