Finding the Fourth Proportional to 130,624.08, 195,936.12 and 51,793.80
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Solution
The fourth proportional to 130,624.08, 195,936.12 and 51,793.80 is: 77,690.70
Step by Step Solution
- Step 1: Write the proportion equation
130,624.08 : 195,936.12 = 51,793.80 : x - Step 2: Convert to fraction form
130,624.08/195,936.12 = 51,793.80/x - Step 3: Cross multiply
130,624.08x = 195,936.12 × 51,793.80 - Step 4: Simplify right side
130,624.08x = 10,148,276,212.06 - Step 5: Solve for x
x = 10,148,276,212.06/130,624.08 - Step 6: Final answer
x = 77,690.70
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Similar ratio
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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.