Finding the Fourth Proportional to 134,675.80, 202,013.70 and 113,939.80
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Solution
The fourth proportional to 134,675.80, 202,013.70 and 113,939.80 is: 170,909.70
Step by Step Solution
- Step 1: Write the proportion equation
134,675.80 : 202,013.70 = 113,939.80 : x - Step 2: Convert to fraction form
134,675.80/202,013.70 = 113,939.80/x - Step 3: Cross multiply
134,675.80x = 202,013.70 × 113,939.80 - Step 4: Simplify right side
134,675.80x = 23,017,400,575.26 - Step 5: Solve for x
x = 23,017,400,575.26/134,675.80 - Step 6: Final answer
x = 170,909.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.