Finding the Fourth Proportional to 149,160.42, 205,850.57 and 85,507.79
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Solution
The fourth proportional to 149,160.42, 205,850.57 and 85,507.79 is: 118,006.02
Step by Step Solution
- Step 1: Write the proportion equation
149,160.42 : 205,850.57 = 85,507.79 : x - Step 2: Convert to fraction form
149,160.42/205,850.57 = 85,507.79/x - Step 3: Cross multiply
149,160.42x = 205,850.57 × 85,507.79 - Step 4: Simplify right side
149,160.42x = 17,601,827,310.94 - Step 5: Solve for x
x = 17,601,827,310.94/149,160.42 - Step 6: Final answer
x = 118,006.02
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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.