Finding the Fourth Proportional to 101,181.88, 151,690.74 and 90,110.08
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Solution
The fourth proportional to 101,181.88, 151,690.74 and 90,110.08 is: 135,092.02
Step by Step Solution
- Step 1: Write the proportion equation
101,181.88 : 151,690.74 = 90,110.08 : x - Step 2: Convert to fraction form
101,181.88/151,690.74 = 90,110.08/x - Step 3: Cross multiply
101,181.88x = 151,690.74 × 90,110.08 - Step 4: Simplify right side
101,181.88x = 13,668,864,716.66 - Step 5: Solve for x
x = 13,668,864,716.66/101,181.88 - Step 6: Final answer
x = 135,092.02
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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.