Home / 223,043.82-307,725.51-142,518.48

Finding the Fourth Proportional to 223,043.82, 307,725.51 and 142,518.48

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Solution

The fourth proportional to 223,043.82, 307,725.51 and 142,518.48 is: 196,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,043.82 : 307,725.51 = 142,518.48 : x
  2. Step 2: Convert to fraction form
    223,043.82/307,725.51 = 142,518.48/x
  3. Step 3: Cross multiply
    223,043.82x = 307,725.51 × 142,518.48
  4. Step 4: Simplify right side
    223,043.82x = 43,856,571,942.42
  5. Step 5: Solve for x
    x = 43,856,571,942.42/223,043.82
  6. Step 6: Final answer
    x = 196,627.60

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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.