Finding the Fourth Proportional to 163,652.93, 225,821.21 and 91,038.66
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Solution
The fourth proportional to 163,652.93, 225,821.21 and 91,038.66 is: 125,622.32
Step by Step Solution
- Step 1: Write the proportion equation
163,652.93 : 225,821.21 = 91,038.66 : x - Step 2: Convert to fraction form
163,652.93/225,821.21 = 91,038.66/x - Step 3: Cross multiply
163,652.93x = 225,821.21 × 91,038.66 - Step 4: Simplify right side
163,652.93x = 20,558,460,326.20 - Step 5: Solve for x
x = 20,558,460,326.20/163,652.93 - Step 6: Final answer
x = 125,622.32
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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.