Finding the Fourth Proportional to 107,439.60, 161,102.70 and 36,337.80
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Solution
The fourth proportional to 107,439.60, 161,102.70 and 36,337.80 is: 54,487.52
Step by Step Solution
- Step 1: Write the proportion equation
107,439.60 : 161,102.70 = 36,337.80 : x - Step 2: Convert to fraction form
107,439.60/161,102.70 = 36,337.80/x - Step 3: Cross multiply
107,439.60x = 161,102.70 × 36,337.80 - Step 4: Simplify right side
107,439.60x = 5,854,117,692.06 - Step 5: Solve for x
x = 5,854,117,692.06/107,439.60 - Step 6: Final answer
x = 54,487.52
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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.