Finding the Fourth Proportional to 135,852.05, 187,481.88 and 75,423.53
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Solution
The fourth proportional to 135,852.05, 187,481.88 and 75,423.53 is: 104,087.83
Step by Step Solution
- Step 1: Write the proportion equation
135,852.05 : 187,481.88 = 75,423.53 : x - Step 2: Convert to fraction form
135,852.05/187,481.88 = 75,423.53/x - Step 3: Cross multiply
135,852.05x = 187,481.88 × 75,423.53 - Step 4: Simplify right side
135,852.05x = 14,140,545,200.64 - Step 5: Solve for x
x = 14,140,545,200.64/135,852.05 - Step 6: Final answer
x = 104,087.83
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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.