Finding the Fourth Proportional to 115,689.68, 173,336.48 and 63,136.07
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Solution
The fourth proportional to 115,689.68, 173,336.48 and 63,136.07 is: 94,596.02
Step by Step Solution
- Step 1: Write the proportion equation
115,689.68 : 173,336.48 = 63,136.07 : x - Step 2: Convert to fraction form
115,689.68/173,336.48 = 63,136.07/x - Step 3: Cross multiply
115,689.68x = 173,336.48 × 63,136.07 - Step 4: Simplify right side
115,689.68x = 10,943,783,819.15 - Step 5: Solve for x
x = 10,943,783,819.15/115,689.68 - Step 6: Final answer
x = 94,596.02
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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.