Finding the Fourth Proportional to 145,980.92, 201,508.26 and 113,651.48
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Solution
The fourth proportional to 145,980.92, 201,508.26 and 113,651.48 is: 156,881.54
Step by Step Solution
- Step 1: Write the proportion equation
145,980.92 : 201,508.26 = 113,651.48 : x - Step 2: Convert to fraction form
145,980.92/201,508.26 = 113,651.48/x - Step 3: Cross multiply
145,980.92x = 201,508.26 × 113,651.48 - Step 4: Simplify right side
145,980.92x = 22,901,711,981.22 - Step 5: Solve for x
x = 22,901,711,981.22/145,980.92 - Step 6: Final answer
x = 156,881.54
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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.