Finding the Fourth Proportional to 134,679.58, 185,859.12 and 74,252.44
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Solution
The fourth proportional to 134,679.58, 185,859.12 and 74,252.44 is: 102,469.08
Step by Step Solution
- Step 1: Write the proportion equation
134,679.58 : 185,859.12 = 74,252.44 : x - Step 2: Convert to fraction form
134,679.58/185,859.12 = 74,252.44/x - Step 3: Cross multiply
134,679.58x = 185,859.12 × 74,252.44 - Step 4: Simplify right side
134,679.58x = 13,800,493,156.25 - Step 5: Solve for x
x = 13,800,493,156.25/134,679.58 - Step 6: Final answer
x = 102,469.08
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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.