Finding the Fourth Proportional to 125,819.21, 188,741.91 and 40,408.49
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Solution
The fourth proportional to 125,819.21, 188,741.91 and 40,408.49 is: 60,616.94
Step by Step Solution
- Step 1: Write the proportion equation
125,819.21 : 188,741.91 = 40,408.49 : x - Step 2: Convert to fraction form
125,819.21/188,741.91 = 40,408.49/x - Step 3: Cross multiply
125,819.21x = 188,741.91 × 40,408.49 - Step 4: Simplify right side
125,819.21x = 7,626,774,639.11 - Step 5: Solve for x
x = 7,626,774,639.11/125,819.21 - Step 6: Final answer
x = 60,616.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.