Finding the Fourth Proportional to 158,371.18, 218,625.16 and 93,836.14
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Solution
The fourth proportional to 158,371.18, 218,625.16 and 93,836.14 is: 129,537.09
Step by Step Solution
- Step 1: Write the proportion equation
158,371.18 : 218,625.16 = 93,836.14 : x - Step 2: Convert to fraction form
158,371.18/218,625.16 = 93,836.14/x - Step 3: Cross multiply
158,371.18x = 218,625.16 × 93,836.14 - Step 4: Simplify right side
158,371.18x = 20,514,941,121.28 - Step 5: Solve for x
x = 20,514,941,121.28/158,371.18 - Step 6: Final answer
x = 129,537.09
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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.