Finding the Fourth Proportional to 135,702.08, 187,268.88 and 75,270.68
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Solution
The fourth proportional to 135,702.08, 187,268.88 and 75,270.68 is: 103,873.54
Step by Step Solution
- Step 1: Write the proportion equation
135,702.08 : 187,268.88 = 75,270.68 : x - Step 2: Convert to fraction form
135,702.08/187,268.88 = 75,270.68/x - Step 3: Cross multiply
135,702.08x = 187,268.88 × 75,270.68 - Step 4: Simplify right side
135,702.08x = 14,095,855,940.44 - Step 5: Solve for x
x = 14,095,855,940.44/135,702.08 - Step 6: Final answer
x = 103,873.54
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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.