Finding the Fourth Proportional to 107,449.02, 148,270.97 and 62,129.94
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Solution
The fourth proportional to 107,449.02, 148,270.97 and 62,129.94 is: 85,734.30
Step by Step Solution
- Step 1: Write the proportion equation
107,449.02 : 148,270.97 = 62,129.94 : x - Step 2: Convert to fraction form
107,449.02/148,270.97 = 62,129.94/x - Step 3: Cross multiply
107,449.02x = 148,270.97 × 62,129.94 - Step 4: Simplify right side
107,449.02x = 9,212,066,159.19 - Step 5: Solve for x
x = 9,212,066,159.19/107,449.02 - Step 6: Final answer
x = 85,734.30
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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.