Finding the Fourth Proportional to 119,883.24, 165,431.79 and 66,166.88
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Solution
The fourth proportional to 119,883.24, 165,431.79 and 66,166.88 is: 91,306.38
Step by Step Solution
- Step 1: Write the proportion equation
119,883.24 : 165,431.79 = 66,166.88 : x - Step 2: Convert to fraction form
119,883.24/165,431.79 = 66,166.88/x - Step 3: Cross multiply
119,883.24x = 165,431.79 × 66,166.88 - Step 4: Simplify right side
119,883.24x = 10,946,104,569.96 - Step 5: Solve for x
x = 10,946,104,569.96/119,883.24 - Step 6: Final answer
x = 91,306.38
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1.5x scale
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.