Finding the Fourth Proportional to 119,135.04, 164,394.72 and 68,832.96
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Solution
The fourth proportional to 119,135.04, 164,394.72 and 68,832.96 is: 94,982.76
Step by Step Solution
- Step 1: Write the proportion equation
119,135.04 : 164,394.72 = 68,832.96 : x - Step 2: Convert to fraction form
119,135.04/164,394.72 = 68,832.96/x - Step 3: Cross multiply
119,135.04x = 164,394.72 × 68,832.96 - Step 4: Simplify right side
119,135.04x = 11,315,775,185.97 - Step 5: Solve for x
x = 11,315,775,185.97/119,135.04 - Step 6: Final answer
x = 94,982.76
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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.