Finding the Fourth Proportional to 130,634.24, 195,984.29 and 37,139.99
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Solution
The fourth proportional to 130,634.24, 195,984.29 and 37,139.99 is: 55,719.34
Step by Step Solution
- Step 1: Write the proportion equation
130,634.24 : 195,984.29 = 37,139.99 : x - Step 2: Convert to fraction form
130,634.24/195,984.29 = 37,139.99/x - Step 3: Cross multiply
130,634.24x = 195,984.29 × 37,139.99 - Step 4: Simplify right side
130,634.24x = 7,278,853,405.14 - Step 5: Solve for x
x = 7,278,853,405.14/130,634.24 - Step 6: Final answer
x = 55,719.34
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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.