Finding the Fourth Proportional to 132,530.97, 182,968.16 and 87,340.26
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Solution
The fourth proportional to 132,530.97, 182,968.16 and 87,340.26 is: 120,579.26
Step by Step Solution
- Step 1: Write the proportion equation
132,530.97 : 182,968.16 = 87,340.26 : x - Step 2: Convert to fraction form
132,530.97/182,968.16 = 87,340.26/x - Step 3: Cross multiply
132,530.97x = 182,968.16 × 87,340.26 - Step 4: Simplify right side
132,530.97x = 15,980,486,229.42 - Step 5: Solve for x
x = 15,980,486,229.42/132,530.97 - Step 6: Final answer
x = 120,579.26
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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.