Finding the Fourth Proportional to 119,913.82, 165,486.42 and 68,943.08
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Solution
The fourth proportional to 119,913.82, 165,486.42 and 68,943.08 is: 95,144.53
Step by Step Solution
- Step 1: Write the proportion equation
119,913.82 : 165,486.42 = 68,943.08 : x - Step 2: Convert to fraction form
119,913.82/165,486.42 = 68,943.08/x - Step 3: Cross multiply
119,913.82x = 165,486.42 × 68,943.08 - Step 4: Simplify right side
119,913.82x = 11,409,143,492.97 - Step 5: Solve for x
x = 11,409,143,492.97/119,913.82 - Step 6: Final answer
x = 95,144.53
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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.