Finding the Fourth Proportional to 146,848.77, 202,661.33 and 83,187.09
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Solution
The fourth proportional to 146,848.77, 202,661.33 and 83,187.09 is: 114,803.86
Step by Step Solution
- Step 1: Write the proportion equation
146,848.77 : 202,661.33 = 83,187.09 : x - Step 2: Convert to fraction form
146,848.77/202,661.33 = 83,187.09/x - Step 3: Cross multiply
146,848.77x = 202,661.33 × 83,187.09 - Step 4: Simplify right side
146,848.77x = 16,858,805,882.29 - Step 5: Solve for x
x = 16,858,805,882.29/146,848.77 - Step 6: Final answer
x = 114,803.86
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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.