Finding the Fourth Proportional to 100,526.00, 138,727.32 and 55,208.05
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Solution
The fourth proportional to 100,526.00, 138,727.32 and 55,208.05 is: 76,187.90
Step by Step Solution
- Step 1: Write the proportion equation
100,526.00 : 138,727.32 = 55,208.05 : x - Step 2: Convert to fraction form
100,526.00/138,727.32 = 55,208.05/x - Step 3: Cross multiply
100,526.00x = 138,727.32 × 55,208.05 - Step 4: Simplify right side
100,526.00x = 7,658,864,265.08 - Step 5: Solve for x
x = 7,658,864,265.08/100,526.00 - Step 6: Final answer
x = 76,187.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.