Finding the Fourth Proportional to 136,089.30, 203,838.50 and 65,821.26
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Solution
The fourth proportional to 136,089.30, 203,838.50 and 65,821.26 is: 98,588.99
Step by Step Solution
- Step 1: Write the proportion equation
136,089.30 : 203,838.50 = 65,821.26 : x - Step 2: Convert to fraction form
136,089.30/203,838.50 = 65,821.26/x - Step 3: Cross multiply
136,089.30x = 203,838.50 × 65,821.26 - Step 4: Simplify right side
136,089.30x = 13,416,906,906.51 - Step 5: Solve for x
x = 13,416,906,906.51/136,089.30 - Step 6: Final answer
x = 98,588.99
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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.