Finding the Fourth Proportional to 145,888.44, 201,393.26 and 102,902.95
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Solution
The fourth proportional to 145,888.44, 201,393.26 and 102,902.95 is: 142,053.48
Step by Step Solution
- Step 1: Write the proportion equation
145,888.44 : 201,393.26 = 102,902.95 : x - Step 2: Convert to fraction form
145,888.44/201,393.26 = 102,902.95/x - Step 3: Cross multiply
145,888.44x = 201,393.26 × 102,902.95 - Step 4: Simplify right side
145,888.44x = 20,723,960,564.12 - Step 5: Solve for x
x = 20,723,960,564.12/145,888.44 - Step 6: Final answer
x = 142,053.48
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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.