Finding the Fourth Proportional to 141,395.28, 212,092.92 and 66,460.44
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Solution
The fourth proportional to 141,395.28, 212,092.92 and 66,460.44 is: 99,690.66
Step by Step Solution
- Step 1: Write the proportion equation
141,395.28 : 212,092.92 = 66,460.44 : x - Step 2: Convert to fraction form
141,395.28/212,092.92 = 66,460.44/x - Step 3: Cross multiply
141,395.28x = 212,092.92 × 66,460.44 - Step 4: Simplify right side
141,395.28x = 14,095,788,784.08 - Step 5: Solve for x
x = 14,095,788,784.08/141,395.28 - Step 6: Final answer
x = 99,690.66
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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.