Finding the Fourth Proportional to 134,809.09, 202,020.93 and 98,989.36
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Solution
The fourth proportional to 134,809.09, 202,020.93 and 98,989.36 is: 148,342.54
Step by Step Solution
- Step 1: Write the proportion equation
134,809.09 : 202,020.93 = 98,989.36 : x - Step 2: Convert to fraction form
134,809.09/202,020.93 = 98,989.36/x - Step 3: Cross multiply
134,809.09x = 202,020.93 × 98,989.36 - Step 4: Simplify right side
134,809.09x = 19,997,922,062.25 - Step 5: Solve for x
x = 19,997,922,062.25/134,809.09 - Step 6: Final answer
x = 148,342.54
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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.