Finding the Fourth Proportional to 120,927.08, 181,391.06 and 36,687.96
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Solution
The fourth proportional to 120,927.08, 181,391.06 and 36,687.96 is: 55,032.07
Step by Step Solution
- Step 1: Write the proportion equation
120,927.08 : 181,391.06 = 36,687.96 : x - Step 2: Convert to fraction form
120,927.08/181,391.06 = 36,687.96/x - Step 3: Cross multiply
120,927.08x = 181,391.06 × 36,687.96 - Step 4: Simplify right side
120,927.08x = 6,654,867,770.20 - Step 5: Solve for x
x = 6,654,867,770.20/120,927.08 - Step 6: Final answer
x = 55,032.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.