Finding the Fourth Proportional to 163,779.76, 225,998.67 and 92,158.55
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Solution
The fourth proportional to 163,779.76, 225,998.67 and 92,158.55 is: 127,169.01
Step by Step Solution
- Step 1: Write the proportion equation
163,779.76 : 225,998.67 = 92,158.55 : x - Step 2: Convert to fraction form
163,779.76/225,998.67 = 92,158.55/x - Step 3: Cross multiply
163,779.76x = 225,998.67 × 92,158.55 - Step 4: Simplify right side
163,779.76x = 20,827,709,729.13 - Step 5: Solve for x
x = 20,827,709,729.13/163,779.76 - Step 6: Final answer
x = 127,169.01
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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.