Home / 214,106.96-321,359.70-109,004.60

Finding the Fourth Proportional to 214,106.96, 321,359.70 and 109,004.60

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Solution

The fourth proportional to 214,106.96, 321,359.70 and 109,004.60 is: 163,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,106.96 : 321,359.70 = 109,004.60 : x
  2. Step 2: Convert to fraction form
    214,106.96/321,359.70 = 109,004.60/x
  3. Step 3: Cross multiply
    214,106.96x = 321,359.70 × 109,004.60
  4. Step 4: Simplify right side
    214,106.96x = 35,029,685,152.92
  5. Step 5: Solve for x
    x = 35,029,685,152.92/214,106.96
  6. Step 6: Final answer
    x = 163,608.34

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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.