Finding the Fourth Proportional to 119,245.35, 164,574.14 and 76,926.99
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Solution
The fourth proportional to 119,245.35, 164,574.14 and 76,926.99 is: 106,169.28
Step by Step Solution
- Step 1: Write the proportion equation
119,245.35 : 164,574.14 = 76,926.99 : x - Step 2: Convert to fraction form
119,245.35/164,574.14 = 76,926.99/x - Step 3: Cross multiply
119,245.35x = 164,574.14 × 76,926.99 - Step 4: Simplify right side
119,245.35x = 12,660,192,837.40 - Step 5: Solve for x
x = 12,660,192,837.40/119,245.35 - Step 6: Final answer
x = 106,169.28
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1.5x scale
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.