Finding the Fourth Proportional to 146,756.17, 202,512.04 and 86,329.09
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Solution
The fourth proportional to 146,756.17, 202,512.04 and 86,329.09 is: 119,127.39
Step by Step Solution
- Step 1: Write the proportion equation
146,756.17 : 202,512.04 = 86,329.09 : x - Step 2: Convert to fraction form
146,756.17/202,512.04 = 86,329.09/x - Step 3: Cross multiply
146,756.17x = 202,512.04 × 86,329.09 - Step 4: Simplify right side
146,756.17x = 17,482,680,127.24 - Step 5: Solve for x
x = 17,482,680,127.24/146,756.17 - Step 6: Final answer
x = 119,127.39
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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.