Finding the Fourth Proportional to 135,235.71, 186,562.44 and 87,504.48
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Solution
The fourth proportional to 135,235.71, 186,562.44 and 87,504.48 is: 120,715.52
Step by Step Solution
- Step 1: Write the proportion equation
135,235.71 : 186,562.44 = 87,504.48 : x - Step 2: Convert to fraction form
135,235.71/186,562.44 = 87,504.48/x - Step 3: Cross multiply
135,235.71x = 186,562.44 × 87,504.48 - Step 4: Simplify right side
135,235.71x = 16,325,049,299.73 - Step 5: Solve for x
x = 16,325,049,299.73/135,235.71 - Step 6: Final answer
x = 120,715.52
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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.