Finding the Fourth Proportional to 134,239.62, 185,250.84 and 73,811.28
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Solution
The fourth proportional to 134,239.62, 185,250.84 and 73,811.28 is: 101,859.66
Step by Step Solution
- Step 1: Write the proportion equation
134,239.62 : 185,250.84 = 73,811.28 : x - Step 2: Convert to fraction form
134,239.62/185,250.84 = 73,811.28/x - Step 3: Cross multiply
134,239.62x = 185,250.84 × 73,811.28 - Step 4: Simplify right side
134,239.62x = 13,673,601,621.48 - Step 5: Solve for x
x = 13,673,601,621.48/134,239.62 - Step 6: Final answer
x = 101,859.66
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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.