Finding the Fourth Proportional to 119,119.97, 178,701.87 and 39,162.44
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Solution
The fourth proportional to 119,119.97, 178,701.87 and 39,162.44 is: 58,750.86
Step by Step Solution
- Step 1: Write the proportion equation
119,119.97 : 178,701.87 = 39,162.44 : x - Step 2: Convert to fraction form
119,119.97/178,701.87 = 39,162.44/x - Step 3: Cross multiply
119,119.97x = 178,701.87 × 39,162.44 - Step 4: Simplify right side
119,119.97x = 6,998,400,368.25 - Step 5: Solve for x
x = 6,998,400,368.25/119,119.97 - Step 6: Final answer
x = 58,750.86
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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.