Home / 143,015.09-214,456.01-53,054.19

Finding the Fourth Proportional to 143,015.09, 214,456.01 and 53,054.19

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Solution

The fourth proportional to 143,015.09, 214,456.01 and 53,054.19 is: 79,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,015.09 : 214,456.01 = 53,054.19 : x
  2. Step 2: Convert to fraction form
    143,015.09/214,456.01 = 53,054.19/x
  3. Step 3: Cross multiply
    143,015.09x = 214,456.01 × 53,054.19
  4. Step 4: Simplify right side
    143,015.09x = 11,377,789,635.91
  5. Step 5: Solve for x
    x = 11,377,789,635.91/143,015.09
  6. Step 6: Final answer
    x = 79,556.57

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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.