Finding the Fourth Proportional to 125,509.50, 173,204.33 and 68,922.09
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Solution
The fourth proportional to 125,509.50, 173,204.33 and 68,922.09 is: 95,113.15
Step by Step Solution
- Step 1: Write the proportion equation
125,509.50 : 173,204.33 = 68,922.09 : x - Step 2: Convert to fraction form
125,509.50/173,204.33 = 68,922.09/x - Step 3: Cross multiply
125,509.50x = 173,204.33 × 68,922.09 - Step 4: Simplify right side
125,509.50x = 11,937,604,076.04 - Step 5: Solve for x
x = 11,937,604,076.04/125,509.50 - Step 6: Final answer
x = 95,113.15
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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.