Finding the Fourth Proportional to 115,675.18, 159,628.75 and 63,994.19
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Solution
The fourth proportional to 115,675.18, 159,628.75 and 63,994.19 is: 88,310.32
Step by Step Solution
- Step 1: Write the proportion equation
115,675.18 : 159,628.75 = 63,994.19 : x - Step 2: Convert to fraction form
115,675.18/159,628.75 = 63,994.19/x - Step 3: Cross multiply
115,675.18x = 159,628.75 × 63,994.19 - Step 4: Simplify right side
115,675.18x = 10,215,311,758.82 - Step 5: Solve for x
x = 10,215,311,758.82/115,675.18 - Step 6: Final answer
x = 88,310.32
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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.