Home / 213,738.20-320,717.55-93,879.20

Finding the Fourth Proportional to 213,738.20, 320,717.55 and 93,879.20

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Solution

The fourth proportional to 213,738.20, 320,717.55 and 93,879.20 is: 140,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,738.20 : 320,717.55 = 93,879.20 : x
  2. Step 2: Convert to fraction form
    213,738.20/320,717.55 = 93,879.20/x
  3. Step 3: Cross multiply
    213,738.20x = 320,717.55 × 93,879.20
  4. Step 4: Simplify right side
    213,738.20x = 30,108,705,416.37
  5. Step 5: Solve for x
    x = 30,108,705,416.37/213,738.20
  6. Step 6: Final answer
    x = 140,867.22

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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.