Finding the Fourth Proportional to 135,268.44, 186,649.02 and 87,523.80
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Solution
The fourth proportional to 135,268.44, 186,649.02 and 87,523.80 is: 120,768.98
Step by Step Solution
- Step 1: Write the proportion equation
135,268.44 : 186,649.02 = 87,523.80 : x - Step 2: Convert to fraction form
135,268.44/186,649.02 = 87,523.80/x - Step 3: Cross multiply
135,268.44x = 186,649.02 × 87,523.80 - Step 4: Simplify right side
135,268.44x = 16,336,231,496.68 - Step 5: Solve for x
x = 16,336,231,496.68/135,268.44 - Step 6: Final answer
x = 120,768.98
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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.