Finding the Fourth Proportional to 132,161.98, 182,132.13 and 129,733.06
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Solution
The fourth proportional to 132,161.98, 182,132.13 and 129,733.06 is: 178,784.84
Step by Step Solution
- Step 1: Write the proportion equation
132,161.98 : 182,132.13 = 129,733.06 : x - Step 2: Convert to fraction form
132,161.98/182,132.13 = 129,733.06/x - Step 3: Cross multiply
132,161.98x = 182,132.13 × 129,733.06 - Step 4: Simplify right side
132,161.98x = 23,628,558,549.22 - Step 5: Solve for x
x = 23,628,558,549.22/132,161.98 - Step 6: Final answer
x = 178,784.84
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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.