Finding the Fourth Proportional to 135,264.06, 186,549.33 and 81,537.84
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Solution
The fourth proportional to 135,264.06, 186,549.33 and 81,537.84 is: 112,452.85
Step by Step Solution
- Step 1: Write the proportion equation
135,264.06 : 186,549.33 = 81,537.84 : x - Step 2: Convert to fraction form
135,264.06/186,549.33 = 81,537.84/x - Step 3: Cross multiply
135,264.06x = 186,549.33 × 81,537.84 - Step 4: Simplify right side
135,264.06x = 15,210,829,421.65 - Step 5: Solve for x
x = 15,210,829,421.65/135,264.06 - Step 6: Final answer
x = 112,452.85
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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.