Finding the Fourth Proportional to 121,432.08, 182,163.39 and 65,194.90
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Solution
The fourth proportional to 121,432.08, 182,163.39 and 65,194.90 is: 97,800.55
Step by Step Solution
- Step 1: Write the proportion equation
121,432.08 : 182,163.39 = 65,194.90 : x - Step 2: Convert to fraction form
121,432.08/182,163.39 = 65,194.90/x - Step 3: Cross multiply
121,432.08x = 182,163.39 × 65,194.90 - Step 4: Simplify right side
121,432.08x = 11,876,123,994.71 - Step 5: Solve for x
x = 11,876,123,994.71/121,432.08 - Step 6: Final answer
x = 97,800.55
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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.