Finding the Fourth Proportional to 97,843.40, 135,049.38 and 91,194.92
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Solution
The fourth proportional to 97,843.40, 135,049.38 and 91,194.92 is: 125,872.75
Step by Step Solution
- Step 1: Write the proportion equation
97,843.40 : 135,049.38 = 91,194.92 : x - Step 2: Convert to fraction form
97,843.40/135,049.38 = 91,194.92/x - Step 3: Cross multiply
97,843.40x = 135,049.38 × 91,194.92 - Step 4: Simplify right side
97,843.40x = 12,315,817,405.15 - Step 5: Solve for x
x = 12,315,817,405.15/97,843.40 - Step 6: Final answer
x = 125,872.75
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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.