Finding the Fourth Proportional to 146,201.77, 201,758.75 and 79,133.77
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Solution
The fourth proportional to 146,201.77, 201,758.75 and 79,133.77 is: 109,204.77
Step by Step Solution
- Step 1: Write the proportion equation
146,201.77 : 201,758.75 = 79,133.77 : x - Step 2: Convert to fraction form
146,201.77/201,758.75 = 79,133.77/x - Step 3: Cross multiply
146,201.77x = 201,758.75 × 79,133.77 - Step 4: Simplify right side
146,201.77x = 15,965,930,517.99 - Step 5: Solve for x
x = 15,965,930,517.99/146,201.77 - Step 6: Final answer
x = 109,204.77
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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.