Finding the Fourth Proportional to 114,729.84, 158,325.12 and 63,742.80
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Solution
The fourth proportional to 114,729.84, 158,325.12 and 63,742.80 is: 87,963.92
Step by Step Solution
- Step 1: Write the proportion equation
114,729.84 : 158,325.12 = 63,742.80 : x - Step 2: Convert to fraction form
114,729.84/158,325.12 = 63,742.80/x - Step 3: Cross multiply
114,729.84x = 158,325.12 × 63,742.80 - Step 4: Simplify right side
114,729.84x = 10,092,086,459.14 - Step 5: Solve for x
x = 10,092,086,459.14/114,729.84 - Step 6: Final answer
x = 87,963.92
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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.