Finding the Fourth Proportional to 163,142.68, 225,124.04 and 98,598.84
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Solution
The fourth proportional to 163,142.68, 225,124.04 and 98,598.84 is: 136,058.63
Step by Step Solution
- Step 1: Write the proportion equation
163,142.68 : 225,124.04 = 98,598.84 : x - Step 2: Convert to fraction form
163,142.68/225,124.04 = 98,598.84/x - Step 3: Cross multiply
163,142.68x = 225,124.04 × 98,598.84 - Step 4: Simplify right side
163,142.68x = 22,196,969,200.11 - Step 5: Solve for x
x = 22,196,969,200.11/163,142.68 - Step 6: Final answer
x = 136,058.63
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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.