Home / 222,454.24-306,990.48-121,845.76

Finding the Fourth Proportional to 222,454.24, 306,990.48 and 121,845.76

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Solution

The fourth proportional to 222,454.24, 306,990.48 and 121,845.76 is: 168,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,454.24 : 306,990.48 = 121,845.76 : x
  2. Step 2: Convert to fraction form
    222,454.24/306,990.48 = 121,845.76/x
  3. Step 3: Cross multiply
    222,454.24x = 306,990.48 × 121,845.76
  4. Step 4: Simplify right side
    222,454.24x = 37,405,488,348.36
  5. Step 5: Solve for x
    x = 37,405,488,348.36/222,454.24
  6. Step 6: Final answer
    x = 168,149.14

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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.