Finding the Fourth Proportional to 118,584.08, 163,687.70 and 73,296.80
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Solution
The fourth proportional to 118,584.08, 163,687.70 and 73,296.80 is: 101,175.34
Step by Step Solution
- Step 1: Write the proportion equation
118,584.08 : 163,687.70 = 73,296.80 : x - Step 2: Convert to fraction form
118,584.08/163,687.70 = 73,296.80/x - Step 3: Cross multiply
118,584.08x = 163,687.70 × 73,296.80 - Step 4: Simplify right side
118,584.08x = 11,997,784,609.36 - Step 5: Solve for x
x = 11,997,784,609.36/118,584.08 - Step 6: Final answer
x = 101,175.34
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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.