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Finding the Fourth Proportional to 100,255.95, 150,384.11 and 41,080.98

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Solution

The fourth proportional to 100,255.95, 150,384.11 and 41,080.98 is: 61,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,255.95 : 150,384.11 = 41,080.98 : x
  2. Step 2: Convert to fraction form
    100,255.95/150,384.11 = 41,080.98/x
  3. Step 3: Cross multiply
    100,255.95x = 150,384.11 × 41,080.98
  4. Step 4: Simplify right side
    100,255.95x = 6,177,926,409.82
  5. Step 5: Solve for x
    x = 6,177,926,409.82/100,255.95
  6. Step 6: Final answer
    x = 61,621.54

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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.