Finding the Fourth Proportional to 114,036.24, 157,394.99 and 66,317.12
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Solution
The fourth proportional to 114,036.24, 157,394.99 and 66,317.12 is: 91,532.14
Step by Step Solution
- Step 1: Write the proportion equation
114,036.24 : 157,394.99 = 66,317.12 : x - Step 2: Convert to fraction form
114,036.24/157,394.99 = 66,317.12/x - Step 3: Cross multiply
114,036.24x = 157,394.99 × 66,317.12 - Step 4: Simplify right side
114,036.24x = 10,437,981,320.67 - Step 5: Solve for x
x = 10,437,981,320.67/114,036.24 - Step 6: Final answer
x = 91,532.14
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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.