Finding the Fourth Proportional to 135,733.36, 203,501.60 and 91,249.76
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Solution
The fourth proportional to 135,733.36, 203,501.60 and 91,249.76 is: 136,808.46
Step by Step Solution
- Step 1: Write the proportion equation
135,733.36 : 203,501.60 = 91,249.76 : x - Step 2: Convert to fraction form
135,733.36/203,501.60 = 91,249.76/x - Step 3: Cross multiply
135,733.36x = 203,501.60 × 91,249.76 - Step 4: Simplify right side
135,733.36x = 18,569,472,159.62 - Step 5: Solve for x
x = 18,569,472,159.62/135,733.36 - Step 6: Final answer
x = 136,808.46
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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.