Home / 223,036.82-307,782.52-121,060.09

Finding the Fourth Proportional to 223,036.82, 307,782.52 and 121,060.09

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Solution

The fourth proportional to 223,036.82, 307,782.52 and 121,060.09 is: 167,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,036.82 : 307,782.52 = 121,060.09 : x
  2. Step 2: Convert to fraction form
    223,036.82/307,782.52 = 121,060.09/x
  3. Step 3: Cross multiply
    223,036.82x = 307,782.52 × 121,060.09
  4. Step 4: Simplify right side
    223,036.82x = 37,260,179,653.70
  5. Step 5: Solve for x
    x = 37,260,179,653.70/223,036.82
  6. Step 6: Final answer
    x = 167,058.42

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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.