Finding the Fourth Proportional to 131,752.17, 197,168.99 and 107,782.65
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Solution
The fourth proportional to 131,752.17, 197,168.99 and 107,782.65 is: 161,298.26
Step by Step Solution
- Step 1: Write the proportion equation
131,752.17 : 197,168.99 = 107,782.65 : x - Step 2: Convert to fraction form
131,752.17/197,168.99 = 107,782.65/x - Step 3: Cross multiply
131,752.17x = 197,168.99 × 107,782.65 - Step 4: Simplify right side
131,752.17x = 21,251,395,701.11 - Step 5: Solve for x
x = 21,251,395,701.11/131,752.17 - Step 6: Final answer
x = 161,298.26
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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.