Finding the Fourth Proportional to 119,862.24, 165,409.70 and 66,147.24
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Solution
The fourth proportional to 119,862.24, 165,409.70 and 66,147.24 is: 91,283.09
Step by Step Solution
- Step 1: Write the proportion equation
119,862.24 : 165,409.70 = 66,147.24 : x - Step 2: Convert to fraction form
119,862.24/165,409.70 = 66,147.24/x - Step 3: Cross multiply
119,862.24x = 165,409.70 × 66,147.24 - Step 4: Simplify right side
119,862.24x = 10,941,395,124.23 - Step 5: Solve for x
x = 10,941,395,124.23/119,862.24 - Step 6: Final answer
x = 91,283.09
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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.