Finding the Fourth Proportional to 125,933.28, 173,492.36 and 87,626.95
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Solution
The fourth proportional to 125,933.28, 173,492.36 and 87,626.95 is: 120,719.53
Step by Step Solution
- Step 1: Write the proportion equation
125,933.28 : 173,492.36 = 87,626.95 : x - Step 2: Convert to fraction form
125,933.28/173,492.36 = 87,626.95/x - Step 3: Cross multiply
125,933.28x = 173,492.36 × 87,626.95 - Step 4: Simplify right side
125,933.28x = 15,202,606,243.37 - Step 5: Solve for x
x = 15,202,606,243.37/125,933.28 - Step 6: Final answer
x = 120,719.53
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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.