Finding the Fourth Proportional to 119,357.88, 164,718.08 and 65,647.08
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Solution
The fourth proportional to 119,357.88, 164,718.08 and 65,647.08 is: 90,595.28
Step by Step Solution
- Step 1: Write the proportion equation
119,357.88 : 164,718.08 = 65,647.08 : x - Step 2: Convert to fraction form
119,357.88/164,718.08 = 65,647.08/x - Step 3: Cross multiply
119,357.88x = 164,718.08 × 65,647.08 - Step 4: Simplify right side
119,357.88x = 10,813,260,975.21 - Step 5: Solve for x
x = 10,813,260,975.21/119,357.88 - Step 6: Final answer
x = 90,595.28
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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.