Finding the Fourth Proportional to 146,775.56, 202,550.10 and 79,707.08
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Solution
The fourth proportional to 146,775.56, 202,550.10 and 79,707.08 is: 109,995.68
Step by Step Solution
- Step 1: Write the proportion equation
146,775.56 : 202,550.10 = 79,707.08 : x - Step 2: Convert to fraction form
146,775.56/202,550.10 = 79,707.08/x - Step 3: Cross multiply
146,775.56x = 202,550.10 × 79,707.08 - Step 4: Simplify right side
146,775.56x = 16,144,677,024.71 - Step 5: Solve for x
x = 16,144,677,024.71/146,775.56 - Step 6: Final answer
x = 109,995.68
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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.