Finding the Fourth Proportional to 103,166.99, 154,764.26 and 40,822.91
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Solution
The fourth proportional to 103,166.99, 154,764.26 and 40,822.91 is: 61,239.81
Step by Step Solution
- Step 1: Write the proportion equation
103,166.99 : 154,764.26 = 40,822.91 : x - Step 2: Convert to fraction form
103,166.99/154,764.26 = 40,822.91/x - Step 3: Cross multiply
103,166.99x = 154,764.26 × 40,822.91 - Step 4: Simplify right side
103,166.99x = 6,317,926,479.26 - Step 5: Solve for x
x = 6,317,926,479.26/103,166.99 - Step 6: Final answer
x = 61,239.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.