Home / 235,945.37-353,783.13-109,520.57

Finding the Fourth Proportional to 235,945.37, 353,783.13 and 109,520.57

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Solution

The fourth proportional to 235,945.37, 353,783.13 and 109,520.57 is: 164,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,945.37 : 353,783.13 = 109,520.57 : x
  2. Step 2: Convert to fraction form
    235,945.37/353,783.13 = 109,520.57/x
  3. Step 3: Cross multiply
    235,945.37x = 353,783.13 × 109,520.57
  4. Step 4: Simplify right side
    235,945.37x = 38,746,530,527.74
  5. Step 5: Solve for x
    x = 38,746,530,527.74/235,945.37
  6. Step 6: Final answer
    x = 164,218.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.