Finding the Fourth Proportional to 135,174.60, 202,703.58 and 55,159.56
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Solution
The fourth proportional to 135,174.60, 202,703.58 and 55,159.56 is: 82,715.54
Step by Step Solution
- Step 1: Write the proportion equation
135,174.60 : 202,703.58 = 55,159.56 : x - Step 2: Convert to fraction form
135,174.60/202,703.58 = 55,159.56/x - Step 3: Cross multiply
135,174.60x = 202,703.58 × 55,159.56 - Step 4: Simplify right side
135,174.60x = 11,181,040,283.22 - Step 5: Solve for x
x = 11,181,040,283.22/135,174.60 - Step 6: Final answer
x = 82,715.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.