Finding the Fourth Proportional to 135,657.03, 187,207.20 and 75,233.26
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Solution
The fourth proportional to 135,657.03, 187,207.20 and 75,233.26 is: 103,822.17
Step by Step Solution
- Step 1: Write the proportion equation
135,657.03 : 187,207.20 = 75,233.26 : x - Step 2: Convert to fraction form
135,657.03/187,207.20 = 75,233.26/x - Step 3: Cross multiply
135,657.03x = 187,207.20 × 75,233.26 - Step 4: Simplify right side
135,657.03x = 14,084,207,132.44 - Step 5: Solve for x
x = 14,084,207,132.44/135,657.03 - Step 6: Final answer
x = 103,822.17
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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.