Finding the Fourth Proportional to 119,944.48, 165,543.60 and 69,672.64
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Solution
The fourth proportional to 119,944.48, 165,543.60 and 69,672.64 is: 96,159.99
Step by Step Solution
- Step 1: Write the proportion equation
119,944.48 : 165,543.60 = 69,672.64 : x - Step 2: Convert to fraction form
119,944.48/165,543.60 = 69,672.64/x - Step 3: Cross multiply
119,944.48x = 165,543.60 × 69,672.64 - Step 4: Simplify right side
119,944.48x = 11,533,859,647.10 - Step 5: Solve for x
x = 11,533,859,647.10/119,944.48 - Step 6: Final answer
x = 96,159.99
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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.