Finding the Fourth Proportional to 134,867.30, 186,114.98 and 74,439.07
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Solution
The fourth proportional to 134,867.30, 186,114.98 and 74,439.07 is: 102,724.87
Step by Step Solution
- Step 1: Write the proportion equation
134,867.30 : 186,114.98 = 74,439.07 : x - Step 2: Convert to fraction form
134,867.30/186,114.98 = 74,439.07/x - Step 3: Cross multiply
134,867.30x = 186,114.98 × 74,439.07 - Step 4: Simplify right side
134,867.30x = 13,854,225,745.08 - Step 5: Solve for x
x = 13,854,225,745.08/134,867.30 - Step 6: Final answer
x = 102,724.87
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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.