Finding the Fourth Proportional to 99,977.08, 149,965.74 and 26,105.08
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Solution
The fourth proportional to 99,977.08, 149,965.74 and 26,105.08 is: 39,157.65
Step by Step Solution
- Step 1: Write the proportion equation
99,977.08 : 149,965.74 = 26,105.08 : x - Step 2: Convert to fraction form
99,977.08/149,965.74 = 26,105.08/x - Step 3: Cross multiply
99,977.08x = 149,965.74 × 26,105.08 - Step 4: Simplify right side
99,977.08x = 3,914,867,639.96 - Step 5: Solve for x
x = 3,914,867,639.96/99,977.08 - Step 6: Final answer
x = 39,157.65
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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.