Finding the Fourth Proportional to 163,746.88, 225,968.08 and 92,126.88
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Solution
The fourth proportional to 163,746.88, 225,968.08 and 92,126.88 is: 127,133.62
Step by Step Solution
- Step 1: Write the proportion equation
163,746.88 : 225,968.08 = 92,126.88 : x - Step 2: Convert to fraction form
163,746.88/225,968.08 = 92,126.88/x - Step 3: Cross multiply
163,746.88x = 225,968.08 × 92,126.88 - Step 4: Simplify right side
163,746.88x = 20,817,734,189.99 - Step 5: Solve for x
x = 20,817,734,189.99/163,746.88 - Step 6: Final answer
x = 127,133.62
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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.