Finding the Fourth Proportional to 125,421.26, 173,053.97 and 74,450.80
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Solution
The fourth proportional to 125,421.26, 173,053.97 and 74,450.80 is: 102,725.85
Step by Step Solution
- Step 1: Write the proportion equation
125,421.26 : 173,053.97 = 74,450.80 : x - Step 2: Convert to fraction form
125,421.26/173,053.97 = 74,450.80/x - Step 3: Cross multiply
125,421.26x = 173,053.97 × 74,450.80 - Step 4: Simplify right side
125,421.26x = 12,884,005,659.50 - Step 5: Solve for x
x = 12,884,005,659.50/125,421.26 - Step 6: Final answer
x = 102,725.85
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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.