Finding the Fourth Proportional to 99,181.68, 136,851.44 and 58,908.08
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Solution
The fourth proportional to 99,181.68, 136,851.44 and 58,908.08 is: 81,281.70
Step by Step Solution
- Step 1: Write the proportion equation
99,181.68 : 136,851.44 = 58,908.08 : x - Step 2: Convert to fraction form
99,181.68/136,851.44 = 58,908.08/x - Step 3: Cross multiply
99,181.68x = 136,851.44 × 58,908.08 - Step 4: Simplify right side
99,181.68x = 8,061,655,575.64 - Step 5: Solve for x
x = 8,061,655,575.64/99,181.68 - Step 6: Final answer
x = 81,281.70
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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.