Home / 222,023.42-306,391.66-120,048.15

Finding the Fourth Proportional to 222,023.42, 306,391.66 and 120,048.15

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Solution

The fourth proportional to 222,023.42, 306,391.66 and 120,048.15 is: 165,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,023.42 : 306,391.66 = 120,048.15 : x
  2. Step 2: Convert to fraction form
    222,023.42/306,391.66 = 120,048.15/x
  3. Step 3: Cross multiply
    222,023.42x = 306,391.66 × 120,048.15
  4. Step 4: Simplify right side
    222,023.42x = 36,781,751,658.31
  5. Step 5: Solve for x
    x = 36,781,751,658.31/222,023.42
  6. Step 6: Final answer
    x = 165,666.09

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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.