Finding the Fourth Proportional to 124,042.14, 171,194.50 and 120,664.58
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Solution
The fourth proportional to 124,042.14, 171,194.50 and 120,664.58 is: 166,533.02
Step by Step Solution
- Step 1: Write the proportion equation
124,042.14 : 171,194.50 = 120,664.58 : x - Step 2: Convert to fraction form
124,042.14/171,194.50 = 120,664.58/x - Step 3: Cross multiply
124,042.14x = 171,194.50 × 120,664.58 - Step 4: Simplify right side
124,042.14x = 20,657,112,440.81 - Step 5: Solve for x
x = 20,657,112,440.81/124,042.14 - Step 6: Final answer
x = 166,533.02
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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.