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Finding the Fourth Proportional to 100,003.92, 150,006.03 and 40,839.60

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Solution

The fourth proportional to 100,003.92, 150,006.03 and 40,839.60 is: 61,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,003.92 : 150,006.03 = 40,839.60 : x
  2. Step 2: Convert to fraction form
    100,003.92/150,006.03 = 40,839.60/x
  3. Step 3: Cross multiply
    100,003.92x = 150,006.03 × 40,839.60
  4. Step 4: Simplify right side
    100,003.92x = 6,126,186,262.79
  5. Step 5: Solve for x
    x = 6,126,186,262.79/100,003.92
  6. Step 6: Final answer
    x = 61,259.46

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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.