Finding the Fourth Proportional to 168,690.16, 232,809.42 and 97,073.20
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Solution
The fourth proportional to 168,690.16, 232,809.42 and 97,073.20 is: 133,970.80
Step by Step Solution
- Step 1: Write the proportion equation
168,690.16 : 232,809.42 = 97,073.20 : x - Step 2: Convert to fraction form
168,690.16/232,809.42 = 97,073.20/x - Step 3: Cross multiply
168,690.16x = 232,809.42 × 97,073.20 - Step 4: Simplify right side
168,690.16x = 22,599,555,389.54 - Step 5: Solve for x
x = 22,599,555,389.54/168,690.16 - Step 6: Final answer
x = 133,970.80
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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.