Home / 222,669.92-307,303.96-122,087.36

Finding the Fourth Proportional to 222,669.92, 307,303.96 and 122,087.36

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Solution

The fourth proportional to 222,669.92, 307,303.96 and 122,087.36 is: 168,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,669.92 : 307,303.96 = 122,087.36 : x
  2. Step 2: Convert to fraction form
    222,669.92/307,303.96 = 122,087.36/x
  3. Step 3: Cross multiply
    222,669.92x = 307,303.96 × 122,087.36
  4. Step 4: Simplify right side
    222,669.92x = 37,517,929,193.95
  5. Step 5: Solve for x
    x = 37,517,929,193.95/222,669.92
  6. Step 6: Final answer
    x = 168,491.23

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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.