Finding the Fourth Proportional to 102,054.88, 153,121.16 and 92,159.92
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Solution
The fourth proportional to 102,054.88, 153,121.16 and 92,159.92 is: 138,274.95
Step by Step Solution
- Step 1: Write the proportion equation
102,054.88 : 153,121.16 = 92,159.92 : x - Step 2: Convert to fraction form
102,054.88/153,121.16 = 92,159.92/x - Step 3: Cross multiply
102,054.88x = 153,121.16 × 92,159.92 - Step 4: Simplify right side
102,054.88x = 14,111,633,855.91 - Step 5: Solve for x
x = 14,111,633,855.91/102,054.88 - Step 6: Final answer
x = 138,274.95
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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.