Finding the Fourth Proportional to 135,505.84, 203,383.68 and 68,993.92
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Solution
The fourth proportional to 135,505.84, 203,383.68 and 68,993.92 is: 103,554.48
Step by Step Solution
- Step 1: Write the proportion equation
135,505.84 : 203,383.68 = 68,993.92 : x - Step 2: Convert to fraction form
135,505.84/203,383.68 = 68,993.92/x - Step 3: Cross multiply
135,505.84x = 203,383.68 × 68,993.92 - Step 4: Simplify right side
135,505.84x = 14,032,237,347.23 - Step 5: Solve for x
x = 14,032,237,347.23/135,505.84 - Step 6: Final answer
x = 103,554.48
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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.