Finding the Fourth Proportional to 129,886.08, 179,283.63 and 76,192.80
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Solution
The fourth proportional to 129,886.08, 179,283.63 and 76,192.80 is: 105,170.02
Step by Step Solution
- Step 1: Write the proportion equation
129,886.08 : 179,283.63 = 76,192.80 : x - Step 2: Convert to fraction form
129,886.08/179,283.63 = 76,192.80/x - Step 3: Cross multiply
129,886.08x = 179,283.63 × 76,192.80 - Step 4: Simplify right side
129,886.08x = 13,660,121,763.86 - Step 5: Solve for x
x = 13,660,121,763.86/129,886.08 - Step 6: Final answer
x = 105,170.02
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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.