Finding the Fourth Proportional to 146,130.88, 201,660.96 and 79,062.88
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Solution
The fourth proportional to 146,130.88, 201,660.96 and 79,062.88 is: 109,106.96
Step by Step Solution
- Step 1: Write the proportion equation
146,130.88 : 201,660.96 = 79,062.88 : x - Step 2: Convert to fraction form
146,130.88/201,660.96 = 79,062.88/x - Step 3: Cross multiply
146,130.88x = 201,660.96 × 79,062.88 - Step 4: Simplify right side
146,130.88x = 15,943,896,281.16 - Step 5: Solve for x
x = 15,943,896,281.16/146,130.88 - Step 6: Final answer
x = 109,106.96
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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.