Finding the Fourth Proportional to 126,858.29, 175,056.93 and 69,486.17
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Solution
The fourth proportional to 126,858.29, 175,056.93 and 69,486.17 is: 95,886.80
Step by Step Solution
- Step 1: Write the proportion equation
126,858.29 : 175,056.93 = 69,486.17 : x - Step 2: Convert to fraction form
126,858.29/175,056.93 = 69,486.17/x - Step 3: Cross multiply
126,858.29x = 175,056.93 × 69,486.17 - Step 4: Simplify right side
126,858.29x = 12,164,035,597.66 - Step 5: Solve for x
x = 12,164,035,597.66/126,858.29 - Step 6: Final answer
x = 95,886.80
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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.