Home / 223,092.42-307,867.80-121,117.97

Finding the Fourth Proportional to 223,092.42, 307,867.80 and 121,117.97

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Solution

The fourth proportional to 223,092.42, 307,867.80 and 121,117.97 is: 167,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,092.42 : 307,867.80 = 121,117.97 : x
  2. Step 2: Convert to fraction form
    223,092.42/307,867.80 = 121,117.97/x
  3. Step 3: Cross multiply
    223,092.42x = 307,867.80 × 121,117.97
  4. Step 4: Simplify right side
    223,092.42x = 37,288,322,964.37
  5. Step 5: Solve for x
    x = 37,288,322,964.37/223,092.42
  6. Step 6: Final answer
    x = 167,142.94

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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.