Finding the Fourth Proportional to 163,219.08, 225,184.56 and 106,663.26
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Solution
The fourth proportional to 163,219.08, 225,184.56 and 106,663.26 is: 147,157.55
Step by Step Solution
- Step 1: Write the proportion equation
163,219.08 : 225,184.56 = 106,663.26 : x - Step 2: Convert to fraction form
163,219.08/225,184.56 = 106,663.26/x - Step 3: Cross multiply
163,219.08x = 225,184.56 × 106,663.26 - Step 4: Simplify right side
163,219.08x = 24,018,919,271.27 - Step 5: Solve for x
x = 24,018,919,271.27/163,219.08 - Step 6: Final answer
x = 147,157.55
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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.