Finding the Fourth Proportional to 135,770.92, 187,363.48 and 75,350.68
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Solution
The fourth proportional to 135,770.92, 187,363.48 and 75,350.68 is: 103,983.72
Step by Step Solution
- Step 1: Write the proportion equation
135,770.92 : 187,363.48 = 75,350.68 : x - Step 2: Convert to fraction form
135,770.92/187,363.48 = 75,350.68/x - Step 3: Cross multiply
135,770.92x = 187,363.48 × 75,350.68 - Step 4: Simplify right side
135,770.92x = 14,117,965,625.17 - Step 5: Solve for x
x = 14,117,965,625.17/135,770.92 - Step 6: Final answer
x = 103,983.72
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1.5x scale
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.