Finding the Fourth Proportional to 104,991.18, 157,552.47 and 69,955.44
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Solution
The fourth proportional to 104,991.18, 157,552.47 and 69,955.44 is: 104,976.94
Step by Step Solution
- Step 1: Write the proportion equation
104,991.18 : 157,552.47 = 69,955.44 : x - Step 2: Convert to fraction form
104,991.18/157,552.47 = 69,955.44/x - Step 3: Cross multiply
104,991.18x = 157,552.47 × 69,955.44 - Step 4: Simplify right side
104,991.18x = 11,021,652,361.94 - Step 5: Solve for x
x = 11,021,652,361.94/104,991.18 - Step 6: Final answer
x = 104,976.94
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1.5x scale
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.