Finding the Fourth Proportional to 163,506.06, 225,636.30 and 91,898.19
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Solution
The fourth proportional to 163,506.06, 225,636.30 and 91,898.19 is: 126,818.34
Step by Step Solution
- Step 1: Write the proportion equation
163,506.06 : 225,636.30 = 91,898.19 : x - Step 2: Convert to fraction form
163,506.06/225,636.30 = 91,898.19/x - Step 3: Cross multiply
163,506.06x = 225,636.30 × 91,898.19 - Step 4: Simplify right side
163,506.06x = 20,735,567,568.30 - Step 5: Solve for x
x = 20,735,567,568.30/163,506.06 - Step 6: Final answer
x = 126,818.34
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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.