Finding the Fourth Proportional to 114,992.92, 158,658.36 and 69,040.63
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Solution
The fourth proportional to 114,992.92, 158,658.36 and 69,040.63 is: 95,256.94
Step by Step Solution
- Step 1: Write the proportion equation
114,992.92 : 158,658.36 = 69,040.63 : x - Step 2: Convert to fraction form
114,992.92/158,658.36 = 69,040.63/x - Step 3: Cross multiply
114,992.92x = 158,658.36 × 69,040.63 - Step 4: Simplify right side
114,992.92x = 10,953,873,156.35 - Step 5: Solve for x
x = 10,953,873,156.35/114,992.92 - Step 6: Final answer
x = 95,256.94
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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.