Home / 143,434.53-215,249.81-49,940.28

Finding the Fourth Proportional to 143,434.53, 215,249.81 and 49,940.28

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Solution

The fourth proportional to 143,434.53, 215,249.81 and 49,940.28 is: 74,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,434.53 : 215,249.81 = 49,940.28 : x
  2. Step 2: Convert to fraction form
    143,434.53/215,249.81 = 49,940.28/x
  3. Step 3: Cross multiply
    143,434.53x = 215,249.81 × 49,940.28
  4. Step 4: Simplify right side
    143,434.53x = 10,749,635,531.65
  5. Step 5: Solve for x
    x = 10,749,635,531.65/143,434.53
  6. Step 6: Final answer
    x = 74,944.54

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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.