Finding the Fourth Proportional to 130,149.76, 179,614.08 and 73,566.08
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Solution
The fourth proportional to 130,149.76, 179,614.08 and 73,566.08 is: 101,525.38
Step by Step Solution
- Step 1: Write the proportion equation
130,149.76 : 179,614.08 = 73,566.08 : x - Step 2: Convert to fraction form
130,149.76/179,614.08 = 73,566.08/x - Step 3: Cross multiply
130,149.76x = 179,614.08 × 73,566.08 - Step 4: Simplify right side
130,149.76x = 13,213,503,778.41 - Step 5: Solve for x
x = 13,213,503,778.41/130,149.76 - Step 6: Final answer
x = 101,525.38
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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.