Finding the Fourth Proportional to 121,894.05, 182,730.36 and 55,297.93
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Solution
The fourth proportional to 121,894.05, 182,730.36 and 55,297.93 is: 82,896.67
Step by Step Solution
- Step 1: Write the proportion equation
121,894.05 : 182,730.36 = 55,297.93 : x - Step 2: Convert to fraction form
121,894.05/182,730.36 = 55,297.93/x - Step 3: Cross multiply
121,894.05x = 182,730.36 × 55,297.93 - Step 4: Simplify right side
121,894.05x = 10,104,610,656.15 - Step 5: Solve for x
x = 10,104,610,656.15/121,894.05 - Step 6: Final answer
x = 82,896.67
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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.