Home / 143,830.49-215,745.73-50,314.37

Finding the Fourth Proportional to 143,830.49, 215,745.73 and 50,314.37

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Solution

The fourth proportional to 143,830.49, 215,745.73 and 50,314.37 is: 75,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,830.49 : 215,745.73 = 50,314.37 : x
  2. Step 2: Convert to fraction form
    143,830.49/215,745.73 = 50,314.37/x
  3. Step 3: Cross multiply
    143,830.49x = 215,745.73 × 50,314.37
  4. Step 4: Simplify right side
    143,830.49x = 10,855,109,280.63
  5. Step 5: Solve for x
    x = 10,855,109,280.63/143,830.49
  6. Step 6: Final answer
    x = 75,471.55

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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.