Finding the Fourth Proportional to 142,932.07, 214,370.42 and 135,819.53
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Solution
The fourth proportional to 142,932.07, 214,370.42 and 135,819.53 is: 203,703.00
Step by Step Solution
- Step 1: Write the proportion equation
142,932.07 : 214,370.42 = 135,819.53 : x - Step 2: Convert to fraction form
142,932.07/214,370.42 = 135,819.53/x - Step 3: Cross multiply
142,932.07x = 214,370.42 × 135,819.53 - Step 4: Simplify right side
142,932.07x = 29,115,691,095.05 - Step 5: Solve for x
x = 29,115,691,095.05/142,932.07 - Step 6: Final answer
x = 203,703.00
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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.