Finding the Fourth Proportional to 168,701.44, 232,821.12 and 93,256.96
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Solution
The fourth proportional to 168,701.44, 232,821.12 and 93,256.96 is: 128,701.86
Step by Step Solution
- Step 1: Write the proportion equation
168,701.44 : 232,821.12 = 93,256.96 : x - Step 2: Convert to fraction form
168,701.44/232,821.12 = 93,256.96/x - Step 3: Cross multiply
168,701.44x = 232,821.12 × 93,256.96 - Step 4: Simplify right side
168,701.44x = 21,712,189,875.00 - Step 5: Solve for x
x = 21,712,189,875.00/168,701.44 - Step 6: Final answer
x = 128,701.86
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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.