Finding the Fourth Proportional to 166,862.14, 230,275.49 and 91,410.62
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Solution
The fourth proportional to 166,862.14, 230,275.49 and 91,410.62 is: 126,149.80
Step by Step Solution
- Step 1: Write the proportion equation
166,862.14 : 230,275.49 = 91,410.62 : x - Step 2: Convert to fraction form
166,862.14/230,275.49 = 91,410.62/x - Step 3: Cross multiply
166,862.14x = 230,275.49 × 91,410.62 - Step 4: Simplify right side
166,862.14x = 21,049,625,311.70 - Step 5: Solve for x
x = 21,049,625,311.70/166,862.14 - Step 6: Final answer
x = 126,149.80
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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.