Finding the Fourth Proportional to 135,088.64, 202,692.36 and 71,893.88
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Solution
The fourth proportional to 135,088.64, 202,692.36 and 71,893.88 is: 107,872.43
Step by Step Solution
- Step 1: Write the proportion equation
135,088.64 : 202,692.36 = 71,893.88 : x - Step 2: Convert to fraction form
135,088.64/202,692.36 = 71,893.88/x - Step 3: Cross multiply
135,088.64x = 202,692.36 × 71,893.88 - Step 4: Simplify right side
135,088.64x = 14,572,340,206.76 - Step 5: Solve for x
x = 14,572,340,206.76/135,088.64 - Step 6: Final answer
x = 107,872.43
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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.