Finding the Fourth Proportional to 118,549.24, 163,657.42 and 91,630.96
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Solution
The fourth proportional to 118,549.24, 163,657.42 and 91,630.96 is: 126,496.69
Step by Step Solution
- Step 1: Write the proportion equation
118,549.24 : 163,657.42 = 91,630.96 : x - Step 2: Convert to fraction form
118,549.24/163,657.42 = 91,630.96/x - Step 3: Cross multiply
118,549.24x = 163,657.42 × 91,630.96 - Step 4: Simplify right side
118,549.24x = 14,996,086,505.72 - Step 5: Solve for x
x = 14,996,086,505.72/118,549.24 - Step 6: Final answer
x = 126,496.69
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1.5x scale
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.