Finding the Fourth Proportional to 135,950.65, 187,606.68 and 75,525.09
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Solution
The fourth proportional to 135,950.65, 187,606.68 and 75,525.09 is: 104,221.73
Step by Step Solution
- Step 1: Write the proportion equation
135,950.65 : 187,606.68 = 75,525.09 : x - Step 2: Convert to fraction form
135,950.65/187,606.68 = 75,525.09/x - Step 3: Cross multiply
135,950.65x = 187,606.68 × 75,525.09 - Step 4: Simplify right side
135,950.65x = 14,169,011,391.60 - Step 5: Solve for x
x = 14,169,011,391.60/135,950.65 - Step 6: Final answer
x = 104,221.73
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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.