Finding the Fourth Proportional to 113,408.21, 169,696.26 and 94,641.92
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Solution
The fourth proportional to 113,408.21, 169,696.26 and 94,641.92 is: 141,615.67
Step by Step Solution
- Step 1: Write the proportion equation
113,408.21 : 169,696.26 = 94,641.92 : x - Step 2: Convert to fraction form
113,408.21/169,696.26 = 94,641.92/x - Step 3: Cross multiply
113,408.21x = 169,696.26 × 94,641.92 - Step 4: Simplify right side
113,408.21x = 16,060,379,863.22 - Step 5: Solve for x
x = 16,060,379,863.22/113,408.21 - Step 6: Final answer
x = 141,615.67
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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.