Home / 222,179.32-306,606.18-120,204.52

Finding the Fourth Proportional to 222,179.32, 306,606.18 and 120,204.52

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Solution

The fourth proportional to 222,179.32, 306,606.18 and 120,204.52 is: 165,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,179.32 : 306,606.18 = 120,204.52 : x
  2. Step 2: Convert to fraction form
    222,179.32/306,606.18 = 120,204.52/x
  3. Step 3: Cross multiply
    222,179.32x = 306,606.18 × 120,204.52
  4. Step 4: Simplify right side
    222,179.32x = 36,855,448,695.93
  5. Step 5: Solve for x
    x = 36,855,448,695.93/222,179.32
  6. Step 6: Final answer
    x = 165,881.54

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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.