Finding the Fourth Proportional to 118,596.73, 163,670.75 and 68,311.93
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Solution
The fourth proportional to 118,596.73, 163,670.75 and 68,311.93 is: 94,274.65
Step by Step Solution
- Step 1: Write the proportion equation
118,596.73 : 163,670.75 = 68,311.93 : x - Step 2: Convert to fraction form
118,596.73/163,670.75 = 68,311.93/x - Step 3: Cross multiply
118,596.73x = 163,670.75 × 68,311.93 - Step 4: Simplify right side
118,596.73x = 11,180,664,817.05 - Step 5: Solve for x
x = 11,180,664,817.05/118,596.73 - Step 6: Final answer
x = 94,274.65
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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.