Finding the Fourth Proportional to 130,716.99, 196,086.42 and 46,495.62
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Solution
The fourth proportional to 130,716.99, 196,086.42 and 46,495.62 is: 69,747.32
Step by Step Solution
- Step 1: Write the proportion equation
130,716.99 : 196,086.42 = 46,495.62 : x - Step 2: Convert to fraction form
130,716.99/196,086.42 = 46,495.62/x - Step 3: Cross multiply
130,716.99x = 196,086.42 × 46,495.62 - Step 4: Simplify right side
130,716.99x = 9,117,159,671.48 - Step 5: Solve for x
x = 9,117,159,671.48/130,716.99 - Step 6: Final answer
x = 69,747.32
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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.