Finding the Fourth Proportional to 118,764.08, 163,894.50 and 65,049.08
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Solution
The fourth proportional to 118,764.08, 163,894.50 and 65,049.08 is: 89,767.77
Step by Step Solution
- Step 1: Write the proportion equation
118,764.08 : 163,894.50 = 65,049.08 : x - Step 2: Convert to fraction form
118,764.08/163,894.50 = 65,049.08/x - Step 3: Cross multiply
118,764.08x = 163,894.50 × 65,049.08 - Step 4: Simplify right side
118,764.08x = 10,661,186,442.06 - Step 5: Solve for x
x = 10,661,186,442.06/118,764.08 - Step 6: Final answer
x = 89,767.77
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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.