Finding the Fourth Proportional to 120,483.76, 180,837.84 and 61,363.90
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Solution
The fourth proportional to 120,483.76, 180,837.84 and 61,363.90 is: 92,102.99
Step by Step Solution
- Step 1: Write the proportion equation
120,483.76 : 180,837.84 = 61,363.90 : x - Step 2: Convert to fraction form
120,483.76/180,837.84 = 61,363.90/x - Step 3: Cross multiply
120,483.76x = 180,837.84 × 61,363.90 - Step 4: Simplify right side
120,483.76x = 11,096,915,129.98 - Step 5: Solve for x
x = 11,096,915,129.98/120,483.76 - Step 6: Final answer
x = 92,102.99
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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.