Home / 222,263.85-306,723.53-120,289.51

Finding the Fourth Proportional to 222,263.85, 306,723.53 and 120,289.51

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Solution

The fourth proportional to 222,263.85, 306,723.53 and 120,289.51 is: 165,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,263.85 : 306,723.53 = 120,289.51 : x
  2. Step 2: Convert to fraction form
    222,263.85/306,723.53 = 120,289.51/x
  3. Step 3: Cross multiply
    222,263.85x = 306,723.53 × 120,289.51
  4. Step 4: Simplify right side
    222,263.85x = 36,895,622,663.09
  5. Step 5: Solve for x
    x = 36,895,622,663.09/222,263.85
  6. Step 6: Final answer
    x = 165,999.21

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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.