Home / 222,078.89-306,467.74-120,104.21

Finding the Fourth Proportional to 222,078.89, 306,467.74 and 120,104.21

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Solution

The fourth proportional to 222,078.89, 306,467.74 and 120,104.21 is: 165,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,078.89 : 306,467.74 = 120,104.21 : x
  2. Step 2: Convert to fraction form
    222,078.89/306,467.74 = 120,104.21/x
  3. Step 3: Cross multiply
    222,078.89x = 306,467.74 × 120,104.21
  4. Step 4: Simplify right side
    222,078.89x = 36,808,065,803.19
  5. Step 5: Solve for x
    x = 36,808,065,803.19/222,078.89
  6. Step 6: Final answer
    x = 165,743.20

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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.