Finding the Fourth Proportional to 147,160.19, 203,075.06 and 83,496.62
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Solution
The fourth proportional to 147,160.19, 203,075.06 and 83,496.62 is: 115,221.92
Step by Step Solution
- Step 1: Write the proportion equation
147,160.19 : 203,075.06 = 83,496.62 : x - Step 2: Convert to fraction form
147,160.19/203,075.06 = 83,496.62/x - Step 3: Cross multiply
147,160.19x = 203,075.06 × 83,496.62 - Step 4: Simplify right side
147,160.19x = 16,956,079,683.44 - Step 5: Solve for x
x = 16,956,079,683.44/147,160.19 - Step 6: Final answer
x = 115,221.92
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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.