Finding the Fourth Proportional to 124,645.84, 186,689.93 and 57,986.08
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Solution
The fourth proportional to 124,645.84, 186,689.93 and 57,986.08 is: 86,849.40
Step by Step Solution
- Step 1: Write the proportion equation
124,645.84 : 186,689.93 = 57,986.08 : x - Step 2: Convert to fraction form
124,645.84/186,689.93 = 57,986.08/x - Step 3: Cross multiply
124,645.84x = 186,689.93 × 57,986.08 - Step 4: Simplify right side
124,645.84x = 10,825,416,926.24 - Step 5: Solve for x
x = 10,825,416,926.24/124,645.84 - Step 6: Final answer
x = 86,849.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.