Finding the Fourth Proportional to 135,590.41, 187,095.12 and 75,161.02
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Solution
The fourth proportional to 135,590.41, 187,095.12 and 75,161.02 is: 103,711.32
Step by Step Solution
- Step 1: Write the proportion equation
135,590.41 : 187,095.12 = 75,161.02 : x - Step 2: Convert to fraction form
135,590.41/187,095.12 = 75,161.02/x - Step 3: Cross multiply
135,590.41x = 187,095.12 × 75,161.02 - Step 4: Simplify right side
135,590.41x = 14,062,260,056.22 - Step 5: Solve for x
x = 14,062,260,056.22/135,590.41 - Step 6: Final answer
x = 103,711.32
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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.