Finding the Fourth Proportional to 109,192.14, 163,484.07 and 55,768.44
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Solution
The fourth proportional to 109,192.14, 163,484.07 and 55,768.44 is: 83,497.32
Step by Step Solution
- Step 1: Write the proportion equation
109,192.14 : 163,484.07 = 55,768.44 : x - Step 2: Convert to fraction form
109,192.14/163,484.07 = 55,768.44/x - Step 3: Cross multiply
109,192.14x = 163,484.07 × 55,768.44 - Step 4: Simplify right side
109,192.14x = 9,117,251,548.75 - Step 5: Solve for x
x = 9,117,251,548.75/109,192.14 - Step 6: Final answer
x = 83,497.32
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1.5x scale
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.