Finding the Fourth Proportional to 119,805.63, 165,331.30 and 66,093.99
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Solution
The fourth proportional to 119,805.63, 165,331.30 and 66,093.99 is: 91,209.45
Step by Step Solution
- Step 1: Write the proportion equation
119,805.63 : 165,331.30 = 66,093.99 : x - Step 2: Convert to fraction form
119,805.63/165,331.30 = 66,093.99/x - Step 3: Cross multiply
119,805.63x = 165,331.30 × 66,093.99 - Step 4: Simplify right side
119,805.63x = 10,927,405,288.89 - Step 5: Solve for x
x = 10,927,405,288.89/119,805.63 - Step 6: Final answer
x = 91,209.45
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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.