Finding the Fourth Proportional to 120,976.08, 181,306.44 and 61,761.84
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Solution
The fourth proportional to 120,976.08, 181,306.44 and 61,761.84 is: 92,562.26
Step by Step Solution
- Step 1: Write the proportion equation
120,976.08 : 181,306.44 = 61,761.84 : x - Step 2: Convert to fraction form
120,976.08/181,306.44 = 61,761.84/x - Step 3: Cross multiply
120,976.08x = 181,306.44 × 61,761.84 - Step 4: Simplify right side
120,976.08x = 11,197,819,338.25 - Step 5: Solve for x
x = 11,197,819,338.25/120,976.08 - Step 6: Final answer
x = 92,562.26
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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.