Finding the Fourth Proportional to 122,511.08, 169,063.14 and 68,796.52
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Solution
The fourth proportional to 122,511.08, 169,063.14 and 68,796.52 is: 94,937.99
Step by Step Solution
- Step 1: Write the proportion equation
122,511.08 : 169,063.14 = 68,796.52 : x - Step 2: Convert to fraction form
122,511.08/169,063.14 = 68,796.52/x - Step 3: Cross multiply
122,511.08x = 169,063.14 × 68,796.52 - Step 4: Simplify right side
122,511.08x = 11,630,955,692.27 - Step 5: Solve for x
x = 11,630,955,692.27/122,511.08 - Step 6: Final answer
x = 94,937.99
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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.