Finding the Fourth Proportional to 125,481.80, 173,088.80 and 74,460.92
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Solution
The fourth proportional to 125,481.80, 173,088.80 and 74,460.92 is: 102,710.92
Step by Step Solution
- Step 1: Write the proportion equation
125,481.80 : 173,088.80 = 74,460.92 : x - Step 2: Convert to fraction form
125,481.80/173,088.80 = 74,460.92/x - Step 3: Cross multiply
125,481.80x = 173,088.80 × 74,460.92 - Step 4: Simplify right side
125,481.80x = 12,888,351,289.70 - Step 5: Solve for x
x = 12,888,351,289.70/125,481.80 - Step 6: Final answer
x = 102,710.92
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1.5x scale
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.