Finding the Fourth Proportional to 119,832.41, 165,428.65 and 74,524.99
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Solution
The fourth proportional to 119,832.41, 165,428.65 and 74,524.99 is: 102,881.75
Step by Step Solution
- Step 1: Write the proportion equation
119,832.41 : 165,428.65 = 74,524.99 : x - Step 2: Convert to fraction form
119,832.41/165,428.65 = 74,524.99/x - Step 3: Cross multiply
119,832.41x = 165,428.65 × 74,524.99 - Step 4: Simplify right side
119,832.41x = 12,328,568,486.96 - Step 5: Solve for x
x = 12,328,568,486.96/119,832.41 - Step 6: Final answer
x = 102,881.75
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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.