Finding the Fourth Proportional to 136,537.80, 204,773.87 and 69,943.65
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Solution
The fourth proportional to 136,537.80, 204,773.87 and 69,943.65 is: 104,898.66
Step by Step Solution
- Step 1: Write the proportion equation
136,537.80 : 204,773.87 = 69,943.65 : x - Step 2: Convert to fraction form
136,537.80/204,773.87 = 69,943.65/x - Step 3: Cross multiply
136,537.80x = 204,773.87 × 69,943.65 - Step 4: Simplify right side
136,537.80x = 14,322,632,451.24 - Step 5: Solve for x
x = 14,322,632,451.24/136,537.80 - Step 6: Final answer
x = 104,898.66
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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.