Finding the Fourth Proportional to 126,214.26, 174,176.25 and 69,625.62
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Solution
The fourth proportional to 126,214.26, 174,176.25 and 69,625.62 is: 96,083.67
Step by Step Solution
- Step 1: Write the proportion equation
126,214.26 : 174,176.25 = 69,625.62 : x - Step 2: Convert to fraction form
126,214.26/174,176.25 = 69,625.62/x - Step 3: Cross multiply
126,214.26x = 174,176.25 × 69,625.62 - Step 4: Simplify right side
126,214.26x = 12,127,129,395.53 - Step 5: Solve for x
x = 12,127,129,395.53/126,214.26 - Step 6: Final answer
x = 96,083.67
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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.