Home / 214,933.40-321,962.70-109,811.60

Finding the Fourth Proportional to 214,933.40, 321,962.70 and 109,811.60

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Solution

The fourth proportional to 214,933.40, 321,962.70 and 109,811.60 is: 164,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,933.40 : 321,962.70 = 109,811.60 : x
  2. Step 2: Convert to fraction form
    214,933.40/321,962.70 = 109,811.60/x
  3. Step 3: Cross multiply
    214,933.40x = 321,962.70 × 109,811.60
  4. Step 4: Simplify right side
    214,933.40x = 35,355,239,227.32
  5. Step 5: Solve for x
    x = 35,355,239,227.32/214,933.40
  6. Step 6: Final answer
    x = 164,493.93

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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.