Finding the Fourth Proportional to 146,289.42, 201,877.60 and 81,759.70
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Solution
The fourth proportional to 146,289.42, 201,877.60 and 81,759.70 is: 112,827.38
Step by Step Solution
- Step 1: Write the proportion equation
146,289.42 : 201,877.60 = 81,759.70 : x - Step 2: Convert to fraction form
146,289.42/201,877.60 = 81,759.70/x - Step 3: Cross multiply
146,289.42x = 201,877.60 × 81,759.70 - Step 4: Simplify right side
146,289.42x = 16,505,452,012.72 - Step 5: Solve for x
x = 16,505,452,012.72/146,289.42 - Step 6: Final answer
x = 112,827.38
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1.5x scale
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.