Finding the Fourth Proportional to 154,465.36, 213,195.45 and 94,055.98
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Solution
The fourth proportional to 154,465.36, 213,195.45 and 94,055.98 is: 129,817.50
Step by Step Solution
- Step 1: Write the proportion equation
154,465.36 : 213,195.45 = 94,055.98 : x - Step 2: Convert to fraction form
154,465.36/213,195.45 = 94,055.98/x - Step 3: Cross multiply
154,465.36x = 213,195.45 × 94,055.98 - Step 4: Simplify right side
154,465.36x = 20,052,306,981.29 - Step 5: Solve for x
x = 20,052,306,981.29/154,465.36 - Step 6: Final answer
x = 129,817.50
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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.