Finding the Fourth Proportional to 131,297.92, 181,206.36 and 73,937.80
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Solution
The fourth proportional to 131,297.92, 181,206.36 and 73,937.80 is: 102,042.74
Step by Step Solution
- Step 1: Write the proportion equation
131,297.92 : 181,206.36 = 73,937.80 : x - Step 2: Convert to fraction form
131,297.92/181,206.36 = 73,937.80/x - Step 3: Cross multiply
131,297.92x = 181,206.36 × 73,937.80 - Step 4: Simplify right side
131,297.92x = 13,397,999,604.41 - Step 5: Solve for x
x = 13,397,999,604.41/131,297.92 - Step 6: Final answer
x = 102,042.74
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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.