Finding the Fourth Proportional to 114,844.23, 158,528.34 and 67,113.09
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Solution
The fourth proportional to 114,844.23, 158,528.34 and 67,113.09 is: 92,641.37
Step by Step Solution
- Step 1: Write the proportion equation
114,844.23 : 158,528.34 = 67,113.09 : x - Step 2: Convert to fraction form
114,844.23/158,528.34 = 67,113.09/x - Step 3: Cross multiply
114,844.23x = 158,528.34 × 67,113.09 - Step 4: Simplify right side
114,844.23x = 10,639,326,749.97 - Step 5: Solve for x
x = 10,639,326,749.97/114,844.23 - Step 6: Final answer
x = 92,641.37
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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.