Finding the Fourth Proportional to 119,936.48, 165,519.84 and 68,965.44
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Solution
The fourth proportional to 119,936.48, 165,519.84 and 68,965.44 is: 95,176.62
Step by Step Solution
- Step 1: Write the proportion equation
119,936.48 : 165,519.84 = 68,965.44 : x - Step 2: Convert to fraction form
119,936.48/165,519.84 = 68,965.44/x - Step 3: Cross multiply
119,936.48x = 165,519.84 × 68,965.44 - Step 4: Simplify right side
119,936.48x = 11,415,148,594.33 - Step 5: Solve for x
x = 11,415,148,594.33/119,936.48 - Step 6: Final answer
x = 95,176.62
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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.