Finding the Fourth Proportional to 130,439.04, 195,660.36 and 36,944.70
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Solution
The fourth proportional to 130,439.04, 195,660.36 and 36,944.70 is: 55,417.56
Step by Step Solution
- Step 1: Write the proportion equation
130,439.04 : 195,660.36 = 36,944.70 : x - Step 2: Convert to fraction form
130,439.04/195,660.36 = 36,944.70/x - Step 3: Cross multiply
130,439.04x = 195,660.36 × 36,944.70 - Step 4: Simplify right side
130,439.04x = 7,228,613,302.09 - Step 5: Solve for x
x = 7,228,613,302.09/130,439.04 - Step 6: Final answer
x = 55,417.56
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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.