Finding the Fourth Proportional to 146,975.99, 202,863.62 and 90,354.56
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Solution
The fourth proportional to 146,975.99, 202,863.62 and 90,354.56 is: 124,711.89
Step by Step Solution
- Step 1: Write the proportion equation
146,975.99 : 202,863.62 = 90,354.56 : x - Step 2: Convert to fraction form
146,975.99/202,863.62 = 90,354.56/x - Step 3: Cross multiply
146,975.99x = 202,863.62 × 90,354.56 - Step 4: Simplify right side
146,975.99x = 18,329,653,180.49 - Step 5: Solve for x
x = 18,329,653,180.49/146,975.99 - Step 6: Final answer
x = 124,711.89
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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.