Finding the Fourth Proportional to 132,274.64, 182,438.97 and 91,968.23
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Solution
The fourth proportional to 132,274.64, 182,438.97 and 91,968.23 is: 126,846.60
Step by Step Solution
- Step 1: Write the proportion equation
132,274.64 : 182,438.97 = 91,968.23 : x - Step 2: Convert to fraction form
132,274.64/182,438.97 = 91,968.23/x - Step 3: Cross multiply
132,274.64x = 182,438.97 × 91,968.23 - Step 4: Simplify right side
132,274.64x = 16,778,588,241.73 - Step 5: Solve for x
x = 16,778,588,241.73/132,274.64 - Step 6: Final answer
x = 126,846.60
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1.5x scale
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.