Finding the Fourth Proportional to 112,165.44, 154,750.02 and 63,762.48
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Solution
The fourth proportional to 112,165.44, 154,750.02 and 63,762.48 is: 87,970.46
Step by Step Solution
- Step 1: Write the proportion equation
112,165.44 : 154,750.02 = 63,762.48 : x - Step 2: Convert to fraction form
112,165.44/154,750.02 = 63,762.48/x - Step 3: Cross multiply
112,165.44x = 154,750.02 × 63,762.48 - Step 4: Simplify right side
112,165.44x = 9,867,245,055.25 - Step 5: Solve for x
x = 9,867,245,055.25/112,165.44 - Step 6: Final answer
x = 87,970.46
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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.