Home / 222,544.63-307,111.59-121,940.47

Finding the Fourth Proportional to 222,544.63, 307,111.59 and 121,940.47

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Solution

The fourth proportional to 222,544.63, 307,111.59 and 121,940.47 is: 168,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,544.63 : 307,111.59 = 121,940.47 : x
  2. Step 2: Convert to fraction form
    222,544.63/307,111.59 = 121,940.47/x
  3. Step 3: Cross multiply
    222,544.63x = 307,111.59 × 121,940.47
  4. Step 4: Simplify right side
    222,544.63x = 37,449,329,481.79
  5. Step 5: Solve for x
    x = 37,449,329,481.79/222,544.63
  6. Step 6: Final answer
    x = 168,277.84

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1.5x scale

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.