Finding the Fourth Proportional to 118,927.75, 164,120.30 and 68,626.75
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Solution
The fourth proportional to 118,927.75, 164,120.30 and 68,626.75 is: 94,704.92
Step by Step Solution
- Step 1: Write the proportion equation
118,927.75 : 164,120.30 = 68,626.75 : x - Step 2: Convert to fraction form
118,927.75/164,120.30 = 68,626.75/x - Step 3: Cross multiply
118,927.75x = 164,120.30 × 68,626.75 - Step 4: Simplify right side
118,927.75x = 11,263,042,798.03 - Step 5: Solve for x
x = 11,263,042,798.03/118,927.75 - Step 6: Final answer
x = 94,704.92
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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.