Home / 101,105.25-151,751.04-51,220.09

Finding the Fourth Proportional to 101,105.25, 151,751.04 and 51,220.09

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Solution

The fourth proportional to 101,105.25, 151,751.04 and 51,220.09 is: 76,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,105.25 : 151,751.04 = 51,220.09 : x
  2. Step 2: Convert to fraction form
    101,105.25/151,751.04 = 51,220.09/x
  3. Step 3: Cross multiply
    101,105.25x = 151,751.04 × 51,220.09
  4. Step 4: Simplify right side
    101,105.25x = 7,772,701,926.39
  5. Step 5: Solve for x
    x = 7,772,701,926.39/101,105.25
  6. Step 6: Final answer
    x = 76,877.33

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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.