Finding the Fourth Proportional to 125,363.94, 173,006.74 and 68,776.98
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Solution
The fourth proportional to 125,363.94, 173,006.74 and 68,776.98 is: 94,914.70
Step by Step Solution
- Step 1: Write the proportion equation
125,363.94 : 173,006.74 = 68,776.98 : x - Step 2: Convert to fraction form
125,363.94/173,006.74 = 68,776.98/x - Step 3: Cross multiply
125,363.94x = 173,006.74 × 68,776.98 - Step 4: Simplify right side
125,363.94x = 11,898,881,096.85 - Step 5: Solve for x
x = 11,898,881,096.85/125,363.94 - Step 6: Final answer
x = 94,914.70
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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.