Finding the Fourth Proportional to 146,842.14, 202,739.66 and 112,789.74
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Solution
The fourth proportional to 146,842.14, 202,739.66 and 112,789.74 is: 155,724.73
Step by Step Solution
- Step 1: Write the proportion equation
146,842.14 : 202,739.66 = 112,789.74 : x - Step 2: Convert to fraction form
146,842.14/202,739.66 = 112,789.74/x - Step 3: Cross multiply
146,842.14x = 202,739.66 × 112,789.74 - Step 4: Simplify right side
146,842.14x = 22,866,952,975.14 - Step 5: Solve for x
x = 22,866,952,975.14/146,842.14 - Step 6: Final answer
x = 155,724.73
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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.