Finding the Fourth Proportional to 96,603.40, 144,905.10 and 68,609.80
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Solution
The fourth proportional to 96,603.40, 144,905.10 and 68,609.80 is: 102,914.70
Step by Step Solution
- Step 1: Write the proportion equation
96,603.40 : 144,905.10 = 68,609.80 : x - Step 2: Convert to fraction form
96,603.40/144,905.10 = 68,609.80/x - Step 3: Cross multiply
96,603.40x = 144,905.10 × 68,609.80 - Step 4: Simplify right side
96,603.40x = 9,941,909,929.98 - Step 5: Solve for x
x = 9,941,909,929.98/96,603.40 - Step 6: Final answer
x = 102,914.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.