Home / 222,051.32-333,208.20-81,908.36

Finding the Fourth Proportional to 222,051.32, 333,208.20 and 81,908.36

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Solution

The fourth proportional to 222,051.32, 333,208.20 and 81,908.36 is: 122,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,051.32 : 333,208.20 = 81,908.36 : x
  2. Step 2: Convert to fraction form
    222,051.32/333,208.20 = 81,908.36/x
  3. Step 3: Cross multiply
    222,051.32x = 333,208.20 × 81,908.36
  4. Step 4: Simplify right side
    222,051.32x = 27,292,537,200.55
  5. Step 5: Solve for x
    x = 27,292,537,200.55/222,051.32
  6. Step 6: Final answer
    x = 122,910.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.