Finding the Fourth Proportional to 145,745.70, 201,124.33 and 89,157.08
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Solution
The fourth proportional to 145,745.70, 201,124.33 and 89,157.08 is: 123,033.86
Step by Step Solution
- Step 1: Write the proportion equation
145,745.70 : 201,124.33 = 89,157.08 : x - Step 2: Convert to fraction form
145,745.70/201,124.33 = 89,157.08/x - Step 3: Cross multiply
145,745.70x = 201,124.33 × 89,157.08 - Step 4: Simplify right side
145,745.70x = 17,931,656,751.24 - Step 5: Solve for x
x = 17,931,656,751.24/145,745.70 - Step 6: Final answer
x = 123,033.86
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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.