Home / 223,039.44-307,789.56-121,065.10

Finding the Fourth Proportional to 223,039.44, 307,789.56 and 121,065.10

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Solution

The fourth proportional to 223,039.44, 307,789.56 and 121,065.10 is: 167,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,039.44 : 307,789.56 = 121,065.10 : x
  2. Step 2: Convert to fraction form
    223,039.44/307,789.56 = 121,065.10/x
  3. Step 3: Cross multiply
    223,039.44x = 307,789.56 × 121,065.10
  4. Step 4: Simplify right side
    223,039.44x = 37,262,573,860.36
  5. Step 5: Solve for x
    x = 37,262,573,860.36/223,039.44
  6. Step 6: Final answer
    x = 167,067.20

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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.