Finding the Fourth Proportional to 140,250.99, 193,543.65 and 76,589.31
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Solution
The fourth proportional to 140,250.99, 193,543.65 and 76,589.31 is: 105,691.76
Step by Step Solution
- Step 1: Write the proportion equation
140,250.99 : 193,543.65 = 76,589.31 : x - Step 2: Convert to fraction form
140,250.99/193,543.65 = 76,589.31/x - Step 3: Cross multiply
140,250.99x = 193,543.65 × 76,589.31 - Step 4: Simplify right side
140,250.99x = 14,823,374,608.38 - Step 5: Solve for x
x = 14,823,374,608.38/140,250.99 - Step 6: Final answer
x = 105,691.76
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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.