Finding the Fourth Proportional to 134,532.22, 185,655.70 and 74,103.06
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Solution
The fourth proportional to 134,532.22, 185,655.70 and 74,103.06 is: 102,262.90
Step by Step Solution
- Step 1: Write the proportion equation
134,532.22 : 185,655.70 = 74,103.06 : x - Step 2: Convert to fraction form
134,532.22/185,655.70 = 74,103.06/x - Step 3: Cross multiply
134,532.22x = 185,655.70 × 74,103.06 - Step 4: Simplify right side
134,532.22x = 13,757,655,476.44 - Step 5: Solve for x
x = 13,757,655,476.44/134,532.22 - Step 6: Final answer
x = 102,262.90
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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.