Finding the Fourth Proportional to 147,948.75, 204,170.00 and 80,880.75
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Solution
The fourth proportional to 147,948.75, 204,170.00 and 80,880.75 is: 111,615.83
Step by Step Solution
- Step 1: Write the proportion equation
147,948.75 : 204,170.00 = 80,880.75 : x - Step 2: Convert to fraction form
147,948.75/204,170.00 = 80,880.75/x - Step 3: Cross multiply
147,948.75x = 204,170.00 × 80,880.75 - Step 4: Simplify right side
147,948.75x = 16,513,422,323.10 - Step 5: Solve for x
x = 16,513,422,323.10/147,948.75 - Step 6: Final answer
x = 111,615.83
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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.