Finding the Fourth Proportional to 126,704.30, 174,802.20 and 81,375.99
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Solution
The fourth proportional to 126,704.30, 174,802.20 and 81,375.99 is: 112,266.93
Step by Step Solution
- Step 1: Write the proportion equation
126,704.30 : 174,802.20 = 81,375.99 : x - Step 2: Convert to fraction form
126,704.30/174,802.20 = 81,375.99/x - Step 3: Cross multiply
126,704.30x = 174,802.20 × 81,375.99 - Step 4: Simplify right side
126,704.30x = 14,224,702,079.18 - Step 5: Solve for x
x = 14,224,702,079.18/126,704.30 - Step 6: Final answer
x = 112,266.93
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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.