Finding the Fourth Proportional to 99,243.23, 148,864.62 and 43,076.06
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Solution
The fourth proportional to 99,243.23, 148,864.62 and 43,076.06 is: 64,613.99
Step by Step Solution
- Step 1: Write the proportion equation
99,243.23 : 148,864.62 = 43,076.06 : x - Step 2: Convert to fraction form
99,243.23/148,864.62 = 43,076.06/x - Step 3: Cross multiply
99,243.23x = 148,864.62 × 43,076.06 - Step 4: Simplify right side
99,243.23x = 6,412,501,303.00 - Step 5: Solve for x
x = 6,412,501,303.00/99,243.23 - Step 6: Final answer
x = 64,613.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.