Finding the Fourth Proportional to 135,670.88, 187,237.32 and 75,260.99
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Solution
The fourth proportional to 135,670.88, 187,237.32 and 75,260.99 is: 103,866.55
Step by Step Solution
- Step 1: Write the proportion equation
135,670.88 : 187,237.32 = 75,260.99 : x - Step 2: Convert to fraction form
135,670.88/187,237.32 = 75,260.99/x - Step 3: Cross multiply
135,670.88x = 187,237.32 × 75,260.99 - Step 4: Simplify right side
135,670.88x = 14,091,665,939.08 - Step 5: Solve for x
x = 14,091,665,939.08/135,670.88 - Step 6: Final answer
x = 103,866.55
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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.