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Finding the Fourth Proportional to 100,361.37, 150,410.82 and 41,127.69

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Solution

The fourth proportional to 100,361.37, 150,410.82 and 41,127.69 is: 61,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,361.37 : 150,410.82 = 41,127.69 : x
  2. Step 2: Convert to fraction form
    100,361.37/150,410.82 = 41,127.69/x
  3. Step 3: Cross multiply
    100,361.37x = 150,410.82 × 41,127.69
  4. Step 4: Simplify right side
    100,361.37x = 6,186,049,577.61
  5. Step 5: Solve for x
    x = 6,186,049,577.61/100,361.37
  6. Step 6: Final answer
    x = 61,637.76

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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.