Finding the Fourth Proportional to 136,023.70, 204,035.55 and 73,815.70
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Solution
The fourth proportional to 136,023.70, 204,035.55 and 73,815.70 is: 110,723.55
Step by Step Solution
- Step 1: Write the proportion equation
136,023.70 : 204,035.55 = 73,815.70 : x - Step 2: Convert to fraction form
136,023.70/204,035.55 = 73,815.70/x - Step 3: Cross multiply
136,023.70x = 204,035.55 × 73,815.70 - Step 4: Simplify right side
136,023.70x = 15,061,026,948.14 - Step 5: Solve for x
x = 15,061,026,948.14/136,023.70 - Step 6: Final answer
x = 110,723.55
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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.