Finding the Fourth Proportional to 109,286.05, 150,818.49 and 63,968.26
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Solution
The fourth proportional to 109,286.05, 150,818.49 and 63,968.26 is: 88,278.39
Step by Step Solution
- Step 1: Write the proportion equation
109,286.05 : 150,818.49 = 63,968.26 : x - Step 2: Convert to fraction form
109,286.05/150,818.49 = 63,968.26/x - Step 3: Cross multiply
109,286.05x = 150,818.49 × 63,968.26 - Step 4: Simplify right side
109,286.05x = 9,647,596,381.13 - Step 5: Solve for x
x = 9,647,596,381.13/109,286.05 - Step 6: Final answer
x = 88,278.39
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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.