Home / 199,824.72-275,749.56-109,179.24

Finding the Fourth Proportional to 199,824.72, 275,749.56 and 109,179.24

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Solution

The fourth proportional to 199,824.72, 275,749.56 and 109,179.24 is: 150,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,824.72 : 275,749.56 = 109,179.24 : x
  2. Step 2: Convert to fraction form
    199,824.72/275,749.56 = 109,179.24/x
  3. Step 3: Cross multiply
    199,824.72x = 275,749.56 × 109,179.24
  4. Step 4: Simplify right side
    199,824.72x = 30,106,127,391.13
  5. Step 5: Solve for x
    x = 30,106,127,391.13/199,824.72
  6. Step 6: Final answer
    x = 150,662.68

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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.