Finding the Fourth Proportional to 163,655.10, 225,840.12 and 107,065.26
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Solution
The fourth proportional to 163,655.10, 225,840.12 and 107,065.26 is: 147,747.50
Step by Step Solution
- Step 1: Write the proportion equation
163,655.10 : 225,840.12 = 107,065.26 : x - Step 2: Convert to fraction form
163,655.10/225,840.12 = 107,065.26/x - Step 3: Cross multiply
163,655.10x = 225,840.12 × 107,065.26 - Step 4: Simplify right side
163,655.10x = 24,179,631,166.23 - Step 5: Solve for x
x = 24,179,631,166.23/163,655.10 - Step 6: Final answer
x = 147,747.50
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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.