Finding the Fourth Proportional to 146,513.58, 202,124.79 and 85,977.42
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Solution
The fourth proportional to 146,513.58, 202,124.79 and 85,977.42 is: 118,611.31
Step by Step Solution
- Step 1: Write the proportion equation
146,513.58 : 202,124.79 = 85,977.42 : x - Step 2: Convert to fraction form
146,513.58/202,124.79 = 85,977.42/x - Step 3: Cross multiply
146,513.58x = 202,124.79 × 85,977.42 - Step 4: Simplify right side
146,513.58x = 17,378,167,962.24 - Step 5: Solve for x
x = 17,378,167,962.24/146,513.58 - Step 6: Final answer
x = 118,611.31
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1.5x scale
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.