Finding the Fourth Proportional to 119,623.92, 165,084.75 and 68,645.99
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Solution
The fourth proportional to 119,623.92, 165,084.75 and 68,645.99 is: 94,733.61
Step by Step Solution
- Step 1: Write the proportion equation
119,623.92 : 165,084.75 = 68,645.99 : x - Step 2: Convert to fraction form
119,623.92/165,084.75 = 68,645.99/x - Step 3: Cross multiply
119,623.92x = 165,084.75 × 68,645.99 - Step 4: Simplify right side
119,623.92x = 11,332,405,272.23 - Step 5: Solve for x
x = 11,332,405,272.23/119,623.92 - Step 6: Final answer
x = 94,733.61
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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.