Finding the Fourth Proportional to 134,782.05, 202,173.08 and 124,284.45
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Solution
The fourth proportional to 134,782.05, 202,173.08 and 124,284.45 is: 186,426.68
Step by Step Solution
- Step 1: Write the proportion equation
134,782.05 : 202,173.08 = 124,284.45 : x - Step 2: Convert to fraction form
134,782.05/202,173.08 = 124,284.45/x - Step 3: Cross multiply
134,782.05x = 202,173.08 × 124,284.45 - Step 4: Simplify right side
134,782.05x = 25,126,969,431.18 - Step 5: Solve for x
x = 25,126,969,431.18/134,782.05 - Step 6: Final answer
x = 186,426.68
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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.