Home / 188,936.33-260,720.29-104,053.39

Finding the Fourth Proportional to 188,936.33, 260,720.29 and 104,053.39

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Solution

The fourth proportional to 188,936.33, 260,720.29 and 104,053.39 is: 143,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,936.33 : 260,720.29 = 104,053.39 : x
  2. Step 2: Convert to fraction form
    188,936.33/260,720.29 = 104,053.39/x
  3. Step 3: Cross multiply
    188,936.33x = 260,720.29 × 104,053.39
  4. Step 4: Simplify right side
    188,936.33x = 27,128,829,104.35
  5. Step 5: Solve for x
    x = 27,128,829,104.35/188,936.33
  6. Step 6: Final answer
    x = 143,587.15

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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.