Finding the Fourth Proportional to 146,133.55, 201,684.63 and 85,723.75
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Solution
The fourth proportional to 146,133.55, 201,684.63 and 85,723.75 is: 118,310.70
Step by Step Solution
- Step 1: Write the proportion equation
146,133.55 : 201,684.63 = 85,723.75 : x - Step 2: Convert to fraction form
146,133.55/201,684.63 = 85,723.75/x - Step 3: Cross multiply
146,133.55x = 201,684.63 × 85,723.75 - Step 4: Simplify right side
146,133.55x = 17,289,162,800.96 - Step 5: Solve for x
x = 17,289,162,800.96/146,133.55 - Step 6: Final answer
x = 118,310.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.