Finding the Fourth Proportional to 119,873.26, 165,418.65 and 74,549.96
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Solution
The fourth proportional to 119,873.26, 165,418.65 and 74,549.96 is: 102,874.94
Step by Step Solution
- Step 1: Write the proportion equation
119,873.26 : 165,418.65 = 74,549.96 : x - Step 2: Convert to fraction form
119,873.26/165,418.65 = 74,549.96/x - Step 3: Cross multiply
119,873.26x = 165,418.65 × 74,549.96 - Step 4: Simplify right side
119,873.26x = 12,331,954,154.30 - Step 5: Solve for x
x = 12,331,954,154.30/119,873.26 - Step 6: Final answer
x = 102,874.94
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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.