Finding the Fourth Proportional to 132,966.19, 199,486.82 and 54,136.99
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Solution
The fourth proportional to 132,966.19, 199,486.82 and 54,136.99 is: 81,220.77
Step by Step Solution
- Step 1: Write the proportion equation
132,966.19 : 199,486.82 = 54,136.99 : x - Step 2: Convert to fraction form
132,966.19/199,486.82 = 54,136.99/x - Step 3: Cross multiply
132,966.19x = 199,486.82 × 54,136.99 - Step 4: Simplify right side
132,966.19x = 10,799,615,979.47 - Step 5: Solve for x
x = 10,799,615,979.47/132,966.19 - Step 6: Final answer
x = 81,220.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.