Finding the Fourth Proportional to 142,852.87, 197,214.92 and 94,456.99
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Solution
The fourth proportional to 142,852.87, 197,214.92 and 94,456.99 is: 130,402.19
Step by Step Solution
- Step 1: Write the proportion equation
142,852.87 : 197,214.92 = 94,456.99 : x - Step 2: Convert to fraction form
142,852.87/197,214.92 = 94,456.99/x - Step 3: Cross multiply
142,852.87x = 197,214.92 × 94,456.99 - Step 4: Simplify right side
142,852.87x = 18,628,327,726.29 - Step 5: Solve for x
x = 18,628,327,726.29/142,852.87 - Step 6: Final answer
x = 130,402.19
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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.