Finding the Fourth Proportional to 114,007.36, 157,351.80 and 75,176.84
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Solution
The fourth proportional to 114,007.36, 157,351.80 and 75,176.84 is: 103,758.31
Step by Step Solution
- Step 1: Write the proportion equation
114,007.36 : 157,351.80 = 75,176.84 : x - Step 2: Convert to fraction form
114,007.36/157,351.80 = 75,176.84/x - Step 3: Cross multiply
114,007.36x = 157,351.80 × 75,176.84 - Step 4: Simplify right side
114,007.36x = 11,829,211,092.31 - Step 5: Solve for x
x = 11,829,211,092.31/114,007.36 - Step 6: Final answer
x = 103,758.31
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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.