Home / 188,537.36-282,190.68-138,604.24

Finding the Fourth Proportional to 188,537.36, 282,190.68 and 138,604.24

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Solution

The fourth proportional to 188,537.36, 282,190.68 and 138,604.24 is: 207,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,537.36 : 282,190.68 = 138,604.24 : x
  2. Step 2: Convert to fraction form
    188,537.36/282,190.68 = 138,604.24/x
  3. Step 3: Cross multiply
    188,537.36x = 282,190.68 × 138,604.24
  4. Step 4: Simplify right side
    188,537.36x = 39,112,824,736.48
  5. Step 5: Solve for x
    x = 39,112,824,736.48/188,537.36
  6. Step 6: Final answer
    x = 207,453.97

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1.5x scale

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.