Finding the Fourth Proportional to 125,502.23, 173,194.37 and 68,142.08
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Solution
The fourth proportional to 125,502.23, 173,194.37 and 68,142.08 is: 94,036.77
Step by Step Solution
- Step 1: Write the proportion equation
125,502.23 : 173,194.37 = 68,142.08 : x - Step 2: Convert to fraction form
125,502.23/173,194.37 = 68,142.08/x - Step 3: Cross multiply
125,502.23x = 173,194.37 × 68,142.08 - Step 4: Simplify right side
125,502.23x = 11,801,823,409.41 - Step 5: Solve for x
x = 11,801,823,409.41/125,502.23 - Step 6: Final answer
x = 94,036.77
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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.