Finding the Fourth Proportional to 125,751.23, 173,418.05 and 82,654.57
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Solution
The fourth proportional to 125,751.23, 173,418.05 and 82,654.57 is: 113,985.32
Step by Step Solution
- Step 1: Write the proportion equation
125,751.23 : 173,418.05 = 82,654.57 : x - Step 2: Convert to fraction form
125,751.23/173,418.05 = 82,654.57/x - Step 3: Cross multiply
125,751.23x = 173,418.05 × 82,654.57 - Step 4: Simplify right side
125,751.23x = 14,333,794,126.08 - Step 5: Solve for x
x = 14,333,794,126.08/125,751.23 - Step 6: Final answer
x = 113,985.32
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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.