Finding the Fourth Proportional to 135,251.09, 202,710.48 and 75,962.13
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Solution
The fourth proportional to 135,251.09, 202,710.48 and 75,962.13 is: 113,849.88
Step by Step Solution
- Step 1: Write the proportion equation
135,251.09 : 202,710.48 = 75,962.13 : x - Step 2: Convert to fraction form
135,251.09/202,710.48 = 75,962.13/x - Step 3: Cross multiply
135,251.09x = 202,710.48 × 75,962.13 - Step 4: Simplify right side
135,251.09x = 15,398,319,834.12 - Step 5: Solve for x
x = 15,398,319,834.12/135,251.09 - Step 6: Final answer
x = 113,849.88
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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.