Finding the Fourth Proportional to 137,937.94, 205,699.82 and 136,676.75
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Solution
The fourth proportional to 137,937.94, 205,699.82 and 136,676.75 is: 203,819.06
Step by Step Solution
- Step 1: Write the proportion equation
137,937.94 : 205,699.82 = 136,676.75 : x - Step 2: Convert to fraction form
137,937.94/205,699.82 = 136,676.75/x - Step 3: Cross multiply
137,937.94x = 205,699.82 × 136,676.75 - Step 4: Simplify right side
137,937.94x = 28,114,381,161.30 - Step 5: Solve for x
x = 28,114,381,161.30/137,937.94 - Step 6: Final answer
x = 203,819.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.