Home / 150,005.25-206,998.74-82,009.60

Finding the Fourth Proportional to 150,005.25, 206,998.74 and 82,009.60

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Solution

The fourth proportional to 150,005.25, 206,998.74 and 82,009.60 is: 113,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,005.25 : 206,998.74 = 82,009.60 : x
  2. Step 2: Convert to fraction form
    150,005.25/206,998.74 = 82,009.60/x
  3. Step 3: Cross multiply
    150,005.25x = 206,998.74 × 82,009.60
  4. Step 4: Simplify right side
    150,005.25x = 16,975,883,350.41
  5. Step 5: Solve for x
    x = 16,975,883,350.41/150,005.25
  6. Step 6: Final answer
    x = 113,168.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.