Home / 143,183.78-214,759.26-38,010.98

Finding the Fourth Proportional to 143,183.78, 214,759.26 and 38,010.98

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Solution

The fourth proportional to 143,183.78, 214,759.26 and 38,010.98 is: 57,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,183.78 : 214,759.26 = 38,010.98 : x
  2. Step 2: Convert to fraction form
    143,183.78/214,759.26 = 38,010.98/x
  3. Step 3: Cross multiply
    143,183.78x = 214,759.26 × 38,010.98
  4. Step 4: Simplify right side
    143,183.78x = 8,163,209,936.67
  5. Step 5: Solve for x
    x = 8,163,209,936.67/143,183.78
  6. Step 6: Final answer
    x = 57,012.11

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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.