Finding the Fourth Proportional to 125,365.38, 173,005.16 and 68,776.75
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Solution
The fourth proportional to 125,365.38, 173,005.16 and 68,776.75 is: 94,912.43
Step by Step Solution
- Step 1: Write the proportion equation
125,365.38 : 173,005.16 = 68,776.75 : x - Step 2: Convert to fraction form
125,365.38/173,005.16 = 68,776.75/x - Step 3: Cross multiply
125,365.38x = 173,005.16 × 68,776.75 - Step 4: Simplify right side
125,365.38x = 11,898,732,638.03 - Step 5: Solve for x
x = 11,898,732,638.03/125,365.38 - Step 6: Final answer
x = 94,912.43
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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.