Finding the Fourth Proportional to 96,100.15, 144,201.93 and 39,978.99
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Solution
The fourth proportional to 96,100.15, 144,201.93 and 39,978.99 is: 59,989.99
Step by Step Solution
- Step 1: Write the proportion equation
96,100.15 : 144,201.93 = 39,978.99 : x - Step 2: Convert to fraction form
96,100.15/144,201.93 = 39,978.99/x - Step 3: Cross multiply
96,100.15x = 144,201.93 × 39,978.99 - Step 4: Simplify right side
96,100.15x = 5,765,047,517.45 - Step 5: Solve for x
x = 5,765,047,517.45/96,100.15 - Step 6: Final answer
x = 59,989.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.