Finding the Fourth Proportional to 94,221.80, 141,332.70 and 68,109.80
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Solution
The fourth proportional to 94,221.80, 141,332.70 and 68,109.80 is: 102,164.70
Step by Step Solution
- Step 1: Write the proportion equation
94,221.80 : 141,332.70 = 68,109.80 : x - Step 2: Convert to fraction form
94,221.80/141,332.70 = 68,109.80/x - Step 3: Cross multiply
94,221.80x = 141,332.70 × 68,109.80 - Step 4: Simplify right side
94,221.80x = 9,626,141,930.46 - Step 5: Solve for x
x = 9,626,141,930.46/94,221.80 - Step 6: Final answer
x = 102,164.70
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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.