Finding the Fourth Proportional to 136,119.96, 204,109.56 and 61,176.06
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Solution
The fourth proportional to 136,119.96, 204,109.56 and 61,176.06 is: 91,732.46
Step by Step Solution
- Step 1: Write the proportion equation
136,119.96 : 204,109.56 = 61,176.06 : x - Step 2: Convert to fraction form
136,119.96/204,109.56 = 61,176.06/x - Step 3: Cross multiply
136,119.96x = 204,109.56 × 61,176.06 - Step 4: Simplify right side
136,119.96x = 12,486,618,689.13 - Step 5: Solve for x
x = 12,486,618,689.13/136,119.96 - Step 6: Final answer
x = 91,732.46
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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.