Home / 222,736.42-307,378.37-120,761.61

Finding the Fourth Proportional to 222,736.42, 307,378.37 and 120,761.61

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Solution

The fourth proportional to 222,736.42, 307,378.37 and 120,761.61 is: 166,652.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,736.42 : 307,378.37 = 120,761.61 : x
  2. Step 2: Convert to fraction form
    222,736.42/307,378.37 = 120,761.61/x
  3. Step 3: Cross multiply
    222,736.42x = 307,378.37 × 120,761.61
  4. Step 4: Simplify right side
    222,736.42x = 37,119,506,840.38
  5. Step 5: Solve for x
    x = 37,119,506,840.38/222,736.42
  6. Step 6: Final answer
    x = 166,652.17

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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.