Home / 222,518.70-307,076.73-120,544.36

Finding the Fourth Proportional to 222,518.70, 307,076.73 and 120,544.36

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Solution

The fourth proportional to 222,518.70, 307,076.73 and 120,544.36 is: 166,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,518.70 : 307,076.73 = 120,544.36 : x
  2. Step 2: Convert to fraction form
    222,518.70/307,076.73 = 120,544.36/x
  3. Step 3: Cross multiply
    222,518.70x = 307,076.73 × 120,544.36
  4. Step 4: Simplify right side
    222,518.70x = 37,016,367,888.74
  5. Step 5: Solve for x
    x = 37,016,367,888.74/222,518.70
  6. Step 6: Final answer
    x = 166,351.72

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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.