Home / 188,104.09-282,150.67-54,987.48

Finding the Fourth Proportional to 188,104.09, 282,150.67 and 54,987.48

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Solution

The fourth proportional to 188,104.09, 282,150.67 and 54,987.48 is: 82,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,104.09 : 282,150.67 = 54,987.48 : x
  2. Step 2: Convert to fraction form
    188,104.09/282,150.67 = 54,987.48/x
  3. Step 3: Cross multiply
    188,104.09x = 282,150.67 × 54,987.48
  4. Step 4: Simplify right side
    188,104.09x = 15,514,752,637.92
  5. Step 5: Solve for x
    x = 15,514,752,637.92/188,104.09
  6. Step 6: Final answer
    x = 82,479.61

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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.