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Finding the Fourth Proportional to 100,004.26, 150,006.54 and 40,839.94

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Solution

The fourth proportional to 100,004.26, 150,006.54 and 40,839.94 is: 61,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,004.26 : 150,006.54 = 40,839.94 : x
  2. Step 2: Convert to fraction form
    100,004.26/150,006.54 = 40,839.94/x
  3. Step 3: Cross multiply
    100,004.26x = 150,006.54 × 40,839.94
  4. Step 4: Simplify right side
    100,004.26x = 6,126,258,093.21
  5. Step 5: Solve for x
    x = 6,126,258,093.21/100,004.26
  6. Step 6: Final answer
    x = 61,259.97

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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.