Home / 188,210.12-282,351.90-55,092.56

Finding the Fourth Proportional to 188,210.12, 282,351.90 and 55,092.56

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Solution

The fourth proportional to 188,210.12, 282,351.90 and 55,092.56 is: 82,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,210.12 : 282,351.90 = 55,092.56 : x
  2. Step 2: Convert to fraction form
    188,210.12/282,351.90 = 55,092.56/x
  3. Step 3: Cross multiply
    188,210.12x = 282,351.90 × 55,092.56
  4. Step 4: Simplify right side
    188,210.12x = 15,555,488,991.86
  5. Step 5: Solve for x
    x = 15,555,488,991.86/188,210.12
  6. Step 6: Final answer
    x = 82,649.59

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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.