Finding the Fourth Proportional to 130,162.08, 195,243.18 and 41,415.65
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Solution
The fourth proportional to 130,162.08, 195,243.18 and 41,415.65 is: 62,123.49
Step by Step Solution
- Step 1: Write the proportion equation
130,162.08 : 195,243.18 = 41,415.65 : x - Step 2: Convert to fraction form
130,162.08/195,243.18 = 41,415.65/x - Step 3: Cross multiply
130,162.08x = 195,243.18 × 41,415.65 - Step 4: Simplify right side
130,162.08x = 8,086,122,808.40 - Step 5: Solve for x
x = 8,086,122,808.40/130,162.08 - Step 6: Final answer
x = 62,123.49
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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.