Home / 219,640.60-303,122.82-124,164.28

Finding the Fourth Proportional to 219,640.60, 303,122.82 and 124,164.28

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Solution

The fourth proportional to 219,640.60, 303,122.82 and 124,164.28 is: 171,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,640.60 : 303,122.82 = 124,164.28 : x
  2. Step 2: Convert to fraction form
    219,640.60/303,122.82 = 124,164.28/x
  3. Step 3: Cross multiply
    219,640.60x = 303,122.82 × 124,164.28
  4. Step 4: Simplify right side
    219,640.60x = 37,637,026,696.87
  5. Step 5: Solve for x
    x = 37,637,026,696.87/219,640.60
  6. Step 6: Final answer
    x = 171,357.33

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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.