Home / 222,378.03-306,879.50-120,400.83

Finding the Fourth Proportional to 222,378.03, 306,879.50 and 120,400.83

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Solution

The fourth proportional to 222,378.03, 306,879.50 and 120,400.83 is: 166,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,378.03 : 306,879.50 = 120,400.83 : x
  2. Step 2: Convert to fraction form
    222,378.03/306,879.50 = 120,400.83/x
  3. Step 3: Cross multiply
    222,378.03x = 306,879.50 × 120,400.83
  4. Step 4: Simplify right side
    222,378.03x = 36,948,545,907.98
  5. Step 5: Solve for x
    x = 36,948,545,907.98/222,378.03
  6. Step 6: Final answer
    x = 166,151.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.