Finding the Fourth Proportional to 135,710.70, 187,108.62 and 96,994.80
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Solution
The fourth proportional to 135,710.70, 187,108.62 and 96,994.80 is: 133,729.79
Step by Step Solution
- Step 1: Write the proportion equation
135,710.70 : 187,108.62 = 96,994.80 : x - Step 2: Convert to fraction form
135,710.70/187,108.62 = 96,994.80/x - Step 3: Cross multiply
135,710.70x = 187,108.62 × 96,994.80 - Step 4: Simplify right side
135,710.70x = 18,148,563,175.18 - Step 5: Solve for x
x = 18,148,563,175.18/135,710.70 - Step 6: Final answer
x = 133,729.79
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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.