Finding the Fourth Proportional to 118,027.04, 162,692.88 and 80,235.68
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Solution
The fourth proportional to 118,027.04, 162,692.88 and 80,235.68 is: 110,599.86
Step by Step Solution
- Step 1: Write the proportion equation
118,027.04 : 162,692.88 = 80,235.68 : x - Step 2: Convert to fraction form
118,027.04/162,692.88 = 80,235.68/x - Step 3: Cross multiply
118,027.04x = 162,692.88 × 80,235.68 - Step 4: Simplify right side
118,027.04x = 13,053,773,857.96 - Step 5: Solve for x
x = 13,053,773,857.96/118,027.04 - Step 6: Final answer
x = 110,599.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.