Finding the Fourth Proportional to 135,913.73, 203,854.74 and 36,081.68
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Solution
The fourth proportional to 135,913.73, 203,854.74 and 36,081.68 is: 54,118.31
Step by Step Solution
- Step 1: Write the proportion equation
135,913.73 : 203,854.74 = 36,081.68 : x - Step 2: Convert to fraction form
135,913.73/203,854.74 = 36,081.68/x - Step 3: Cross multiply
135,913.73x = 203,854.74 × 36,081.68 - Step 4: Simplify right side
135,913.73x = 7,355,420,475.89 - Step 5: Solve for x
x = 7,355,420,475.89/135,913.73 - Step 6: Final answer
x = 54,118.31
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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.