Finding the Fourth Proportional to 130,305.74, 195,261.78 and 96,868.94
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Solution
The fourth proportional to 130,305.74, 195,261.78 and 96,868.94 is: 145,157.09
Step by Step Solution
- Step 1: Write the proportion equation
130,305.74 : 195,261.78 = 96,868.94 : x - Step 2: Convert to fraction form
130,305.74/195,261.78 = 96,868.94/x - Step 3: Cross multiply
130,305.74x = 195,261.78 × 96,868.94 - Step 4: Simplify right side
130,305.74x = 18,914,801,651.11 - Step 5: Solve for x
x = 18,914,801,651.11/130,305.74 - Step 6: Final answer
x = 145,157.09
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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.