Finding the Fourth Proportional to 140,217.68, 193,499.53 and 76,555.48
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Solution
The fourth proportional to 140,217.68, 193,499.53 and 76,555.48 is: 105,646.09
Step by Step Solution
- Step 1: Write the proportion equation
140,217.68 : 193,499.53 = 76,555.48 : x - Step 2: Convert to fraction form
140,217.68/193,499.53 = 76,555.48/x - Step 3: Cross multiply
140,217.68x = 193,499.53 × 76,555.48 - Step 4: Simplify right side
140,217.68x = 14,813,449,517.22 - Step 5: Solve for x
x = 14,813,449,517.22/140,217.68 - Step 6: Final answer
x = 105,646.09
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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.