Home / 222,836.06-307,512.14-120,861.20

Finding the Fourth Proportional to 222,836.06, 307,512.14 and 120,861.20

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Solution

The fourth proportional to 222,836.06, 307,512.14 and 120,861.20 is: 166,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,836.06 : 307,512.14 = 120,861.20 : x
  2. Step 2: Convert to fraction form
    222,836.06/307,512.14 = 120,861.20/x
  3. Step 3: Cross multiply
    222,836.06x = 307,512.14 × 120,861.20
  4. Step 4: Simplify right side
    222,836.06x = 37,166,286,254.97
  5. Step 5: Solve for x
    x = 37,166,286,254.97/222,836.06
  6. Step 6: Final answer
    x = 166,787.58

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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.