Finding the Fourth Proportional to 146,370.68, 201,991.38 and 79,302.68
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Solution
The fourth proportional to 146,370.68, 201,991.38 and 79,302.68 is: 109,437.61
Step by Step Solution
- Step 1: Write the proportion equation
146,370.68 : 201,991.38 = 79,302.68 : x - Step 2: Convert to fraction form
146,370.68/201,991.38 = 79,302.68/x - Step 3: Cross multiply
146,370.68x = 201,991.38 × 79,302.68 - Step 4: Simplify right side
146,370.68x = 16,018,457,770.90 - Step 5: Solve for x
x = 16,018,457,770.90/146,370.68 - Step 6: Final answer
x = 109,437.61
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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.