Finding the Fourth Proportional to 115,083.92, 158,837.88 and 69,786.68
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Solution
The fourth proportional to 115,083.92, 158,837.88 and 69,786.68 is: 96,319.00
Step by Step Solution
- Step 1: Write the proportion equation
115,083.92 : 158,837.88 = 69,786.68 : x - Step 2: Convert to fraction form
115,083.92/158,837.88 = 69,786.68/x - Step 3: Cross multiply
115,083.92x = 158,837.88 × 69,786.68 - Step 4: Simplify right side
115,083.92x = 11,084,768,303.44 - Step 5: Solve for x
x = 11,084,768,303.44/115,083.92 - Step 6: Final answer
x = 96,319.00
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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.