Finding the Fourth Proportional to 146,784.99, 202,564.08 and 83,135.19
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Solution
The fourth proportional to 146,784.99, 202,564.08 and 83,135.19 is: 114,727.01
Step by Step Solution
- Step 1: Write the proportion equation
146,784.99 : 202,564.08 = 83,135.19 : x - Step 2: Convert to fraction form
146,784.99/202,564.08 = 83,135.19/x - Step 3: Cross multiply
146,784.99x = 202,564.08 × 83,135.19 - Step 4: Simplify right side
146,784.99x = 16,840,203,277.98 - Step 5: Solve for x
x = 16,840,203,277.98/146,784.99 - Step 6: Final answer
x = 114,727.01
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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.