Finding the Fourth Proportional to 155,123.12, 232,734.84 and 76,181.99
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Solution
The fourth proportional to 155,123.12, 232,734.84 and 76,181.99 is: 114,297.62
Step by Step Solution
- Step 1: Write the proportion equation
155,123.12 : 232,734.84 = 76,181.99 : x - Step 2: Convert to fraction form
155,123.12/232,734.84 = 76,181.99/x - Step 3: Cross multiply
155,123.12x = 232,734.84 × 76,181.99 - Step 4: Simplify right side
155,123.12x = 17,730,203,253.53 - Step 5: Solve for x
x = 17,730,203,253.53/155,123.12 - Step 6: Final answer
x = 114,297.62
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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.