Finding the Fourth Proportional to 127,762.15, 176,315.42 and 71,177.17
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Solution
The fourth proportional to 127,762.15, 176,315.42 and 71,177.17 is: 98,226.53
Step by Step Solution
- Step 1: Write the proportion equation
127,762.15 : 176,315.42 = 71,177.17 : x - Step 2: Convert to fraction form
127,762.15/176,315.42 = 71,177.17/x - Step 3: Cross multiply
127,762.15x = 176,315.42 × 71,177.17 - Step 4: Simplify right side
127,762.15x = 12,549,633,233.21 - Step 5: Solve for x
x = 12,549,633,233.21/127,762.15 - Step 6: Final answer
x = 98,226.53
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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.