Finding the Fourth Proportional to 131,742.68, 197,444.79 and 68,554.04
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Solution
The fourth proportional to 131,742.68, 197,444.79 and 68,554.04 is: 102,743.00
Step by Step Solution
- Step 1: Write the proportion equation
131,742.68 : 197,444.79 = 68,554.04 : x - Step 2: Convert to fraction form
131,742.68/197,444.79 = 68,554.04/x - Step 3: Cross multiply
131,742.68x = 197,444.79 × 68,554.04 - Step 4: Simplify right side
131,742.68x = 13,535,637,044.23 - Step 5: Solve for x
x = 13,535,637,044.23/131,742.68 - Step 6: Final answer
x = 102,743.00
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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.