Home / 143,010.28-214,571.85-54,287.34

Finding the Fourth Proportional to 143,010.28, 214,571.85 and 54,287.34

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Solution

The fourth proportional to 143,010.28, 214,571.85 and 54,287.34 is: 81,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010.28 : 214,571.85 = 54,287.34 : x
  2. Step 2: Convert to fraction form
    143,010.28/214,571.85 = 54,287.34/x
  3. Step 3: Cross multiply
    143,010.28x = 214,571.85 × 54,287.34
  4. Step 4: Simplify right side
    143,010.28x = 11,648,534,975.38
  5. Step 5: Solve for x
    x = 11,648,534,975.38/143,010.28
  6. Step 6: Final answer
    x = 81,452.43

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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.