Finding the Fourth Proportional to 117,919.99, 162,732.50 and 64,207.94
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Solution
The fourth proportional to 117,919.99, 162,732.50 and 64,207.94 is: 88,608.54
Step by Step Solution
- Step 1: Write the proportion equation
117,919.99 : 162,732.50 = 64,207.94 : x - Step 2: Convert to fraction form
117,919.99/162,732.50 = 64,207.94/x - Step 3: Cross multiply
117,919.99x = 162,732.50 × 64,207.94 - Step 4: Simplify right side
117,919.99x = 10,448,718,596.05 - Step 5: Solve for x
x = 10,448,718,596.05/117,919.99 - Step 6: Final answer
x = 88,608.54
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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.