Home / 219,816.33-303,362.81-123,029.89

Finding the Fourth Proportional to 219,816.33, 303,362.81 and 123,029.89

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Solution

The fourth proportional to 219,816.33, 303,362.81 and 123,029.89 is: 169,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,816.33 : 303,362.81 = 123,029.89 : x
  2. Step 2: Convert to fraction form
    219,816.33/303,362.81 = 123,029.89/x
  3. Step 3: Cross multiply
    219,816.33x = 303,362.81 × 123,029.89
  4. Step 4: Simplify right side
    219,816.33x = 37,322,693,144.39
  5. Step 5: Solve for x
    x = 37,322,693,144.39/219,816.33
  6. Step 6: Final answer
    x = 169,790.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.