Finding the Fourth Proportional to 157,193.14, 216,862.41 and 96,745.54
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Solution
The fourth proportional to 157,193.14, 216,862.41 and 96,745.54 is: 133,469.38
Step by Step Solution
- Step 1: Write the proportion equation
157,193.14 : 216,862.41 = 96,745.54 : x - Step 2: Convert to fraction form
157,193.14/216,862.41 = 96,745.54/x - Step 3: Cross multiply
157,193.14x = 216,862.41 × 96,745.54 - Step 4: Simplify right side
157,193.14x = 20,980,470,961.15 - Step 5: Solve for x
x = 20,980,470,961.15/157,193.14 - Step 6: Final answer
x = 133,469.38
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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.