Finding the Fourth Proportional to 125,735.22, 173,511.09 and 69,146.60
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Solution
The fourth proportional to 125,735.22, 173,511.09 and 69,146.60 is: 95,420.37
Step by Step Solution
- Step 1: Write the proportion equation
125,735.22 : 173,511.09 = 69,146.60 : x - Step 2: Convert to fraction form
125,735.22/173,511.09 = 69,146.60/x - Step 3: Cross multiply
125,735.22x = 173,511.09 × 69,146.60 - Step 4: Simplify right side
125,735.22x = 11,997,701,068.24 - Step 5: Solve for x
x = 11,997,701,068.24/125,735.22 - Step 6: Final answer
x = 95,420.37
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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.