Finding the Fourth Proportional to 163,654.74, 225,823.70 and 91,040.48
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Solution
The fourth proportional to 163,654.74, 225,823.70 and 91,040.48 is: 125,624.82
Step by Step Solution
- Step 1: Write the proportion equation
163,654.74 : 225,823.70 = 91,040.48 : x - Step 2: Convert to fraction form
163,654.74/225,823.70 = 91,040.48/x - Step 3: Cross multiply
163,654.74x = 225,823.70 × 91,040.48 - Step 4: Simplify right side
163,654.74x = 20,559,096,914.26 - Step 5: Solve for x
x = 20,559,096,914.26/163,654.74 - Step 6: Final answer
x = 125,624.82
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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.