Finding the Fourth Proportional to 134,677.21, 185,855.84 and 74,250.07
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Solution
The fourth proportional to 134,677.21, 185,855.84 and 74,250.07 is: 102,465.81
Step by Step Solution
- Step 1: Write the proportion equation
134,677.21 : 185,855.84 = 74,250.07 : x - Step 2: Convert to fraction form
134,677.21/185,855.84 = 74,250.07/x - Step 3: Cross multiply
134,677.21x = 185,855.84 × 74,250.07 - Step 4: Simplify right side
134,677.21x = 13,799,809,129.91 - Step 5: Solve for x
x = 13,799,809,129.91/134,677.21 - Step 6: Final answer
x = 102,465.81
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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.