Home / 213,509.14-320,061.75-95,115.22

Finding the Fourth Proportional to 213,509.14, 320,061.75 and 95,115.22

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Solution

The fourth proportional to 213,509.14, 320,061.75 and 95,115.22 is: 142,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,509.14 : 320,061.75 = 95,115.22 : x
  2. Step 2: Convert to fraction form
    213,509.14/320,061.75 = 95,115.22/x
  3. Step 3: Cross multiply
    213,509.14x = 320,061.75 × 95,115.22
  4. Step 4: Simplify right side
    213,509.14x = 30,442,743,764.84
  5. Step 5: Solve for x
    x = 30,442,743,764.84/213,509.14
  6. Step 6: Final answer
    x = 142,582.86

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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.