Finding the Fourth Proportional to 121,037.97, 167,029.99 and 67,321.83
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Solution
The fourth proportional to 121,037.97, 167,029.99 and 67,321.83 is: 92,902.79
Step by Step Solution
- Step 1: Write the proportion equation
121,037.97 : 167,029.99 = 67,321.83 : x - Step 2: Convert to fraction form
121,037.97/167,029.99 = 67,321.83/x - Step 3: Cross multiply
121,037.97x = 167,029.99 × 67,321.83 - Step 4: Simplify right side
121,037.97x = 11,244,764,591.68 - Step 5: Solve for x
x = 11,244,764,591.68/121,037.97 - Step 6: Final answer
x = 92,902.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.