Finding the Fourth Proportional to 131,994.18, 182,104.20 and 86,696.70
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Solution
The fourth proportional to 131,994.18, 182,104.20 and 86,696.70 is: 119,610.07
Step by Step Solution
- Step 1: Write the proportion equation
131,994.18 : 182,104.20 = 86,696.70 : x - Step 2: Convert to fraction form
131,994.18/182,104.20 = 86,696.70/x - Step 3: Cross multiply
131,994.18x = 182,104.20 × 86,696.70 - Step 4: Simplify right side
131,994.18x = 15,787,833,196.14 - Step 5: Solve for x
x = 15,787,833,196.14/131,994.18 - Step 6: Final answer
x = 119,610.07
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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.