Finding the Fourth Proportional to 126,037.49, 173,814.87 and 91,992.08
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Solution
The fourth proportional to 126,037.49, 173,814.87 and 91,992.08 is: 126,863.77
Step by Step Solution
- Step 1: Write the proportion equation
126,037.49 : 173,814.87 = 91,992.08 : x - Step 2: Convert to fraction form
126,037.49/173,814.87 = 91,992.08/x - Step 3: Cross multiply
126,037.49x = 173,814.87 × 91,992.08 - Step 4: Simplify right side
126,037.49x = 15,989,591,426.23 - Step 5: Solve for x
x = 15,989,591,426.23/126,037.49 - Step 6: Final answer
x = 126,863.77
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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.