Finding the Fourth Proportional to 127,666.68, 176,173.26 and 71,067.96
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Solution
The fourth proportional to 127,666.68, 176,173.26 and 71,067.96 is: 98,070.02
Step by Step Solution
- Step 1: Write the proportion equation
127,666.68 : 176,173.26 = 71,067.96 : x - Step 2: Convert to fraction form
127,666.68/176,173.26 = 71,067.96/x - Step 3: Cross multiply
127,666.68x = 176,173.26 × 71,067.96 - Step 4: Simplify right side
127,666.68x = 12,520,274,194.75 - Step 5: Solve for x
x = 12,520,274,194.75/127,666.68 - Step 6: Final answer
x = 98,070.02
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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.