Home / 188,115.36-282,172.28-68,144.27

Finding the Fourth Proportional to 188,115.36, 282,172.28 and 68,144.27

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Solution

The fourth proportional to 188,115.36, 282,172.28 and 68,144.27 is: 102,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,115.36 : 282,172.28 = 68,144.27 : x
  2. Step 2: Convert to fraction form
    188,115.36/282,172.28 = 68,144.27/x
  3. Step 3: Cross multiply
    188,115.36x = 282,172.28 × 68,144.27
  4. Step 4: Simplify right side
    188,115.36x = 19,228,422,283.25
  5. Step 5: Solve for x
    x = 19,228,422,283.25/188,115.36
  6. Step 6: Final answer
    x = 102,216.12

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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.