Finding the Fourth Proportional to 146,781.99, 202,559.94 and 83,132.19
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Solution
The fourth proportional to 146,781.99, 202,559.94 and 83,132.19 is: 114,722.87
Step by Step Solution
- Step 1: Write the proportion equation
146,781.99 : 202,559.94 = 83,132.19 : x - Step 2: Convert to fraction form
146,781.99/202,559.94 = 83,132.19/x - Step 3: Cross multiply
146,781.99x = 202,559.94 × 83,132.19 - Step 4: Simplify right side
146,781.99x = 16,839,251,418.47 - Step 5: Solve for x
x = 16,839,251,418.47/146,781.99 - Step 6: Final answer
x = 114,722.87
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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.