Finding the Fourth Proportional to 136,383.13, 204,623.97 and 69,854.59
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Solution
The fourth proportional to 136,383.13, 204,623.97 and 69,854.59 is: 104,807.12
Step by Step Solution
- Step 1: Write the proportion equation
136,383.13 : 204,623.97 = 69,854.59 : x - Step 2: Convert to fraction form
136,383.13/204,623.97 = 69,854.59/x - Step 3: Cross multiply
136,383.13x = 204,623.97 × 69,854.59 - Step 4: Simplify right side
136,383.13x = 14,293,923,528.52 - Step 5: Solve for x
x = 14,293,923,528.52/136,383.13 - Step 6: Final answer
x = 104,807.12
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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.