Finding the Fourth Proportional to 135,578.19, 187,095.65 and 74,323.97
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Solution
The fourth proportional to 135,578.19, 187,095.65 and 74,323.97 is: 102,565.83
Step by Step Solution
- Step 1: Write the proportion equation
135,578.19 : 187,095.65 = 74,323.97 : x - Step 2: Convert to fraction form
135,578.19/187,095.65 = 74,323.97/x - Step 3: Cross multiply
135,578.19x = 187,095.65 × 74,323.97 - Step 4: Simplify right side
135,578.19x = 13,905,690,170.63 - Step 5: Solve for x
x = 13,905,690,170.63/135,578.19 - Step 6: Final answer
x = 102,565.83
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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.