Finding the Fourth Proportional to 171,425.56, 236,539.14 and 107,718.26
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Solution
The fourth proportional to 171,425.56, 236,539.14 and 107,718.26 is: 148,633.52
Step by Step Solution
- Step 1: Write the proportion equation
171,425.56 : 236,539.14 = 107,718.26 : x - Step 2: Convert to fraction form
171,425.56/236,539.14 = 107,718.26/x - Step 3: Cross multiply
171,425.56x = 236,539.14 × 107,718.26 - Step 4: Simplify right side
171,425.56x = 25,479,584,582.70 - Step 5: Solve for x
x = 25,479,584,582.70/171,425.56 - Step 6: Final answer
x = 148,633.52
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1.5x scale
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.