Finding the Fourth Proportional to 131,881.44, 182,059.26 and 75,281.88
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Solution
The fourth proportional to 131,881.44, 182,059.26 and 75,281.88 is: 103,924.88
Step by Step Solution
- Step 1: Write the proportion equation
131,881.44 : 182,059.26 = 75,281.88 : x - Step 2: Convert to fraction form
131,881.44/182,059.26 = 75,281.88/x - Step 3: Cross multiply
131,881.44x = 182,059.26 × 75,281.88 - Step 4: Simplify right side
131,881.44x = 13,705,763,364.21 - Step 5: Solve for x
x = 13,705,763,364.21/131,881.44 - Step 6: Final answer
x = 103,924.88
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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.