Finding the Fourth Proportional to 135,960.59, 187,625.45 and 75,536.81
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Solution
The fourth proportional to 135,960.59, 187,625.45 and 75,536.81 is: 104,240.70
Step by Step Solution
- Step 1: Write the proportion equation
135,960.59 : 187,625.45 = 75,536.81 : x - Step 2: Convert to fraction form
135,960.59/187,625.45 = 75,536.81/x - Step 3: Cross multiply
135,960.59x = 187,625.45 × 75,536.81 - Step 4: Simplify right side
135,960.59x = 14,172,627,590.13 - Step 5: Solve for x
x = 14,172,627,590.13/135,960.59 - Step 6: Final answer
x = 104,240.70
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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.