Finding the Fourth Proportional to 107,848.20, 161,790.12 and 48,682.56
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Solution
The fourth proportional to 107,848.20, 161,790.12 and 48,682.56 is: 73,031.88
Step by Step Solution
- Step 1: Write the proportion equation
107,848.20 : 161,790.12 = 48,682.56 : x - Step 2: Convert to fraction form
107,848.20/161,790.12 = 48,682.56/x - Step 3: Cross multiply
107,848.20x = 161,790.12 × 48,682.56 - Step 4: Simplify right side
107,848.20x = 7,876,357,224.31 - Step 5: Solve for x
x = 7,876,357,224.31/107,848.20 - Step 6: Final answer
x = 73,031.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.