Finding the Fourth Proportional to 146,266.56, 201,845.52 and 81,736.70
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Solution
The fourth proportional to 146,266.56, 201,845.52 and 81,736.70 is: 112,795.34
Step by Step Solution
- Step 1: Write the proportion equation
146,266.56 : 201,845.52 = 81,736.70 : x - Step 2: Convert to fraction form
146,266.56/201,845.52 = 81,736.70/x - Step 3: Cross multiply
146,266.56x = 201,845.52 × 81,736.70 - Step 4: Simplify right side
146,266.56x = 16,498,185,705.36 - Step 5: Solve for x
x = 16,498,185,705.36/146,266.56 - Step 6: Final answer
x = 112,795.34
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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.