Home / 223,973.55-308,974.62-143,336.43

Finding the Fourth Proportional to 223,973.55, 308,974.62 and 143,336.43

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Solution

The fourth proportional to 223,973.55, 308,974.62 and 143,336.43 is: 197,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,973.55 : 308,974.62 = 143,336.43 : x
  2. Step 2: Convert to fraction form
    223,973.55/308,974.62 = 143,336.43/x
  3. Step 3: Cross multiply
    223,973.55x = 308,974.62 × 143,336.43
  4. Step 4: Simplify right side
    223,973.55x = 44,287,318,991.41
  5. Step 5: Solve for x
    x = 44,287,318,991.41/223,973.55
  6. Step 6: Final answer
    x = 197,734.59

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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.