Finding the Fourth Proportional to 145,958.20, 201,441.67 and 85,552.65
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Solution
The fourth proportional to 145,958.20, 201,441.67 and 85,552.65 is: 118,074.00
Step by Step Solution
- Step 1: Write the proportion equation
145,958.20 : 201,441.67 = 85,552.65 : x - Step 2: Convert to fraction form
145,958.20/201,441.67 = 85,552.65/x - Step 3: Cross multiply
145,958.20x = 201,441.67 × 85,552.65 - Step 4: Simplify right side
145,958.20x = 17,233,868,475.04 - Step 5: Solve for x
x = 17,233,868,475.04/145,958.20 - Step 6: Final answer
x = 118,074.00
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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.