Finding the Fourth Proportional to 125,487.78, 173,108.99 and 80,118.09
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Solution
The fourth proportional to 125,487.78, 173,108.99 and 80,118.09 is: 110,522.01
Step by Step Solution
- Step 1: Write the proportion equation
125,487.78 : 173,108.99 = 80,118.09 : x - Step 2: Convert to fraction form
125,487.78/173,108.99 = 80,118.09/x - Step 3: Cross multiply
125,487.78x = 173,108.99 × 80,118.09 - Step 4: Simplify right side
125,487.78x = 13,869,161,640.63 - Step 5: Solve for x
x = 13,869,161,640.63/125,487.78 - Step 6: Final answer
x = 110,522.01
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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.