Finding the Fourth Proportional to 120,583.18, 166,392.97 and 66,867.26
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Solution
The fourth proportional to 120,583.18, 166,392.97 and 66,867.26 is: 92,270.26
Step by Step Solution
- Step 1: Write the proportion equation
120,583.18 : 166,392.97 = 66,867.26 : x - Step 2: Convert to fraction form
120,583.18/166,392.97 = 66,867.26/x - Step 3: Cross multiply
120,583.18x = 166,392.97 × 66,867.26 - Step 4: Simplify right side
120,583.18x = 11,126,240,988.03 - Step 5: Solve for x
x = 11,126,240,988.03/120,583.18 - Step 6: Final answer
x = 92,270.26
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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.