Finding the Fourth Proportional to 170,850.87, 235,734.30 and 99,187.74
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Solution
The fourth proportional to 170,850.87, 235,734.30 and 99,187.74 is: 136,855.92
Step by Step Solution
- Step 1: Write the proportion equation
170,850.87 : 235,734.30 = 99,187.74 : x - Step 2: Convert to fraction form
170,850.87/235,734.30 = 99,187.74/x - Step 3: Cross multiply
170,850.87x = 235,734.30 × 99,187.74 - Step 4: Simplify right side
170,850.87x = 23,381,952,457.48 - Step 5: Solve for x
x = 23,381,952,457.48/170,850.87 - Step 6: Final answer
x = 136,855.92
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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.