Home / 143,324.80-215,073.60-49,896.16

Finding the Fourth Proportional to 143,324.80, 215,073.60 and 49,896.16

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Solution

The fourth proportional to 143,324.80, 215,073.60 and 49,896.16 is: 74,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,324.80 : 215,073.60 = 49,896.16 : x
  2. Step 2: Convert to fraction form
    143,324.80/215,073.60 = 49,896.16/x
  3. Step 3: Cross multiply
    143,324.80x = 215,073.60 × 49,896.16
  4. Step 4: Simplify right side
    143,324.80x = 10,731,346,757.38
  5. Step 5: Solve for x
    x = 10,731,346,757.38/143,324.80
  6. Step 6: Final answer
    x = 74,874.32

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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.