Finding the Fourth Proportional to 115,537.23, 159,356.08 and 73,054.75
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Solution
The fourth proportional to 115,537.23, 159,356.08 and 73,054.75 is: 100,761.62
Step by Step Solution
- Step 1: Write the proportion equation
115,537.23 : 159,356.08 = 73,054.75 : x - Step 2: Convert to fraction form
115,537.23/159,356.08 = 73,054.75/x - Step 3: Cross multiply
115,537.23x = 159,356.08 × 73,054.75 - Step 4: Simplify right side
115,537.23x = 11,641,718,585.38 - Step 5: Solve for x
x = 11,641,718,585.38/115,537.23 - Step 6: Final answer
x = 100,761.62
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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.