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Finding the Fourth Proportional to 100,015.94, 150,056.75 and 40,901.33

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Solution

The fourth proportional to 100,015.94, 150,056.75 and 40,901.33 is: 61,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,015.94 : 150,056.75 = 40,901.33 : x
  2. Step 2: Convert to fraction form
    100,015.94/150,056.75 = 40,901.33/x
  3. Step 3: Cross multiply
    100,015.94x = 150,056.75 × 40,901.33
  4. Step 4: Simplify right side
    100,015.94x = 6,137,520,650.48
  5. Step 5: Solve for x
    x = 6,137,520,650.48/100,015.94
  6. Step 6: Final answer
    x = 61,365.42

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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.