Finding the Fourth Proportional to 132,845.10, 182,952.99 and 129,942.06
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Solution
The fourth proportional to 132,845.10, 182,952.99 and 129,942.06 is: 178,954.95
Step by Step Solution
- Step 1: Write the proportion equation
132,845.10 : 182,952.99 = 129,942.06 : x - Step 2: Convert to fraction form
132,845.10/182,952.99 = 129,942.06/x - Step 3: Cross multiply
132,845.10x = 182,952.99 × 129,942.06 - Step 4: Simplify right side
132,845.10x = 23,773,288,403.76 - Step 5: Solve for x
x = 23,773,288,403.76/132,845.10 - Step 6: Final answer
x = 178,954.95
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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.