Finding the Fourth Proportional to 132,707.75, 183,136.70 and 73,091.75
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Solution
The fourth proportional to 132,707.75, 183,136.70 and 73,091.75 is: 100,866.62
Step by Step Solution
- Step 1: Write the proportion equation
132,707.75 : 183,136.70 = 73,091.75 : x - Step 2: Convert to fraction form
132,707.75/183,136.70 = 73,091.75/x - Step 3: Cross multiply
132,707.75x = 183,136.70 × 73,091.75 - Step 4: Simplify right side
132,707.75x = 13,385,781,892.23 - Step 5: Solve for x
x = 13,385,781,892.23/132,707.75 - Step 6: Final answer
x = 100,866.62
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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.