Home / 223,268.73-308,111.21-121,294.59

Finding the Fourth Proportional to 223,268.73, 308,111.21 and 121,294.59

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Solution

The fourth proportional to 223,268.73, 308,111.21 and 121,294.59 is: 167,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,268.73 : 308,111.21 = 121,294.59 : x
  2. Step 2: Convert to fraction form
    223,268.73/308,111.21 = 121,294.59/x
  3. Step 3: Cross multiply
    223,268.73x = 308,111.21 × 121,294.59
  4. Step 4: Simplify right side
    223,268.73x = 37,372,222,891.35
  5. Step 5: Solve for x
    x = 37,372,222,891.35/223,268.73
  6. Step 6: Final answer
    x = 167,386.73

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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.