Finding the Fourth Proportional to 165,720.53, 228,695.89 and 94,102.05
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Solution
The fourth proportional to 165,720.53, 228,695.89 and 94,102.05 is: 129,861.72
Step by Step Solution
- Step 1: Write the proportion equation
165,720.53 : 228,695.89 = 94,102.05 : x - Step 2: Convert to fraction form
165,720.53/228,695.89 = 94,102.05/x - Step 3: Cross multiply
165,720.53x = 228,695.89 × 94,102.05 - Step 4: Simplify right side
165,720.53x = 21,520,752,075.57 - Step 5: Solve for x
x = 21,520,752,075.57/165,720.53 - Step 6: Final answer
x = 129,861.72
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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.