Finding the Fourth Proportional to 145,900.53, 201,339.95 and 82,237.05
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Solution
The fourth proportional to 145,900.53, 201,339.95 and 82,237.05 is: 113,485.56
Step by Step Solution
- Step 1: Write the proportion equation
145,900.53 : 201,339.95 = 82,237.05 : x - Step 2: Convert to fraction form
145,900.53/201,339.95 = 82,237.05/x - Step 3: Cross multiply
145,900.53x = 201,339.95 × 82,237.05 - Step 4: Simplify right side
145,900.53x = 16,557,603,123.96 - Step 5: Solve for x
x = 16,557,603,123.96/145,900.53 - Step 6: Final answer
x = 113,485.56
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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.