Finding the Fourth Proportional to 146,130.75, 201,660.44 and 79,062.75
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Solution
The fourth proportional to 146,130.75, 201,660.44 and 79,062.75 is: 109,106.60
Step by Step Solution
- Step 1: Write the proportion equation
146,130.75 : 201,660.44 = 79,062.75 : x - Step 2: Convert to fraction form
146,130.75/201,660.44 = 79,062.75/x - Step 3: Cross multiply
146,130.75x = 201,660.44 × 79,062.75 - Step 4: Simplify right side
146,130.75x = 15,943,828,557.30 - Step 5: Solve for x
x = 15,943,828,557.30/146,130.75 - Step 6: Final answer
x = 109,106.60
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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.