Finding the Fourth Proportional to 163,495.60, 225,630.60 and 91,875.40
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Solution
The fourth proportional to 163,495.60, 225,630.60 and 91,875.40 is: 126,791.80
Step by Step Solution
- Step 1: Write the proportion equation
163,495.60 : 225,630.60 = 91,875.40 : x - Step 2: Convert to fraction form
163,495.60/225,630.60 = 91,875.40/x - Step 3: Cross multiply
163,495.60x = 225,630.60 × 91,875.40 - Step 4: Simplify right side
163,495.60x = 20,729,901,627.24 - Step 5: Solve for x
x = 20,729,901,627.24/163,495.60 - Step 6: Final answer
x = 126,791.80
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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.