Home / 188,279.48-282,418.61-68,336.27

Finding the Fourth Proportional to 188,279.48, 282,418.61 and 68,336.27

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Solution

The fourth proportional to 188,279.48, 282,418.61 and 68,336.27 is: 102,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,279.48 : 282,418.61 = 68,336.27 : x
  2. Step 2: Convert to fraction form
    188,279.48/282,418.61 = 68,336.27/x
  3. Step 3: Cross multiply
    188,279.48x = 282,418.61 × 68,336.27
  4. Step 4: Simplify right side
    188,279.48x = 19,299,435,359.63
  5. Step 5: Solve for x
    x = 19,299,435,359.63/188,279.48
  6. Step 6: Final answer
    x = 102,504.19

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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.