Finding the Fourth Proportional to 155,125.89, 214,050.42 and 87,129.84
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Solution
The fourth proportional to 155,125.89, 214,050.42 and 87,129.84 is: 120,226.09
Step by Step Solution
- Step 1: Write the proportion equation
155,125.89 : 214,050.42 = 87,129.84 : x - Step 2: Convert to fraction form
155,125.89/214,050.42 = 87,129.84/x - Step 3: Cross multiply
155,125.89x = 214,050.42 × 87,129.84 - Step 4: Simplify right side
155,125.89x = 18,650,178,846.53 - Step 5: Solve for x
x = 18,650,178,846.53/155,125.89 - Step 6: Final answer
x = 120,226.09
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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.