Home / 113,409.45-170,107.34-50,211.09

Finding the Fourth Proportional to 113,409.45, 170,107.34 and 50,211.09

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Solution

The fourth proportional to 113,409.45, 170,107.34 and 50,211.09 is: 75,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,409.45 : 170,107.34 = 50,211.09 : x
  2. Step 2: Convert to fraction form
    113,409.45/170,107.34 = 50,211.09/x
  3. Step 3: Cross multiply
    113,409.45x = 170,107.34 × 50,211.09
  4. Step 4: Simplify right side
    113,409.45x = 8,541,274,707.35
  5. Step 5: Solve for x
    x = 8,541,274,707.35/113,409.45
  6. Step 6: Final answer
    x = 75,313.61

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1.5x scale

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.