Finding the Fourth Proportional to 130,157.64, 179,626.68 and 73,569.42
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Solution
The fourth proportional to 130,157.64, 179,626.68 and 73,569.42 is: 101,530.96
Step by Step Solution
- Step 1: Write the proportion equation
130,157.64 : 179,626.68 = 73,569.42 : x - Step 2: Convert to fraction form
130,157.64/179,626.68 = 73,569.42/x - Step 3: Cross multiply
130,157.64x = 179,626.68 × 73,569.42 - Step 4: Simplify right side
130,157.64x = 13,215,030,664.13 - Step 5: Solve for x
x = 13,215,030,664.13/130,157.64 - Step 6: Final answer
x = 101,530.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.