Finding the Fourth Proportional to 163,454.56, 225,045.84 and 139,485.04
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Solution
The fourth proportional to 163,454.56, 225,045.84 and 139,485.04 is: 192,044.37
Step by Step Solution
- Step 1: Write the proportion equation
163,454.56 : 225,045.84 = 139,485.04 : x - Step 2: Convert to fraction form
163,454.56/225,045.84 = 139,485.04/x - Step 3: Cross multiply
163,454.56x = 225,045.84 × 139,485.04 - Step 4: Simplify right side
163,454.56x = 31,390,527,994.23 - Step 5: Solve for x
x = 31,390,527,994.23/163,454.56 - Step 6: Final answer
x = 192,044.37
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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.