Finding the Fourth Proportional to 127,727.78, 176,259.58 and 71,137.94
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Solution
The fourth proportional to 127,727.78, 176,259.58 and 71,137.94 is: 98,167.70
Step by Step Solution
- Step 1: Write the proportion equation
127,727.78 : 176,259.58 = 71,137.94 : x - Step 2: Convert to fraction form
127,727.78/176,259.58 = 71,137.94/x - Step 3: Cross multiply
127,727.78x = 176,259.58 × 71,137.94 - Step 4: Simplify right side
127,727.78x = 12,538,742,367.32 - Step 5: Solve for x
x = 12,538,742,367.32/127,727.78 - Step 6: Final answer
x = 98,167.70
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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.