Finding the Fourth Proportional to 130,005.44, 194,675.22 and 89,968.99
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Solution
The fourth proportional to 130,005.44, 194,675.22 and 89,968.99 is: 134,723.07
Step by Step Solution
- Step 1: Write the proportion equation
130,005.44 : 194,675.22 = 89,968.99 : x - Step 2: Convert to fraction form
130,005.44/194,675.22 = 89,968.99/x - Step 3: Cross multiply
130,005.44x = 194,675.22 × 89,968.99 - Step 4: Simplify right side
130,005.44x = 17,514,731,723.13 - Step 5: Solve for x
x = 17,514,731,723.13/130,005.44 - Step 6: Final answer
x = 134,723.07
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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.