Finding the Fourth Proportional to 117,908.62, 162,713.50 and 64,193.63
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Solution
The fourth proportional to 117,908.62, 162,713.50 and 64,193.63 is: 88,586.99
Step by Step Solution
- Step 1: Write the proportion equation
117,908.62 : 162,713.50 = 64,193.63 : x - Step 2: Convert to fraction form
117,908.62/162,713.50 = 64,193.63/x - Step 3: Cross multiply
117,908.62x = 162,713.50 × 64,193.63 - Step 4: Simplify right side
117,908.62x = 10,445,170,215.01 - Step 5: Solve for x
x = 10,445,170,215.01/117,908.62 - Step 6: Final answer
x = 88,586.99
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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.