Finding the Fourth Proportional to 125,388.87, 173,047.50 and 68,811.18
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Solution
The fourth proportional to 125,388.87, 173,047.50 and 68,811.18 is: 94,965.39
Step by Step Solution
- Step 1: Write the proportion equation
125,388.87 : 173,047.50 = 68,811.18 : x - Step 2: Convert to fraction form
125,388.87/173,047.50 = 68,811.18/x - Step 3: Cross multiply
125,388.87x = 173,047.50 × 68,811.18 - Step 4: Simplify right side
125,388.87x = 11,907,602,671.05 - Step 5: Solve for x
x = 11,907,602,671.05/125,388.87 - Step 6: Final answer
x = 94,965.39
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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.