Finding the Fourth Proportional to 134,905.91, 186,171.66 and 74,476.59
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Solution
The fourth proportional to 134,905.91, 186,171.66 and 74,476.59 is: 102,778.52
Step by Step Solution
- Step 1: Write the proportion equation
134,905.91 : 186,171.66 = 74,476.59 : x - Step 2: Convert to fraction form
134,905.91/186,171.66 = 74,476.59/x - Step 3: Cross multiply
134,905.91x = 186,171.66 × 74,476.59 - Step 4: Simplify right side
134,905.91x = 13,865,430,391.44 - Step 5: Solve for x
x = 13,865,430,391.44/134,905.91 - Step 6: Final answer
x = 102,778.52
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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.