Finding the Fourth Proportional to 135,998.10, 203,997.15 and 94,007.70
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Solution
The fourth proportional to 135,998.10, 203,997.15 and 94,007.70 is: 141,011.55
Step by Step Solution
- Step 1: Write the proportion equation
135,998.10 : 203,997.15 = 94,007.70 : x - Step 2: Convert to fraction form
135,998.10/203,997.15 = 94,007.70/x - Step 3: Cross multiply
135,998.10x = 203,997.15 × 94,007.70 - Step 4: Simplify right side
135,998.10x = 19,177,302,878.06 - Step 5: Solve for x
x = 19,177,302,878.06/135,998.10 - Step 6: Final answer
x = 141,011.55
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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.