Finding the Fourth Proportional to 160,151.55, 221,006.12 and 88,530.03
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Solution
The fourth proportional to 160,151.55, 221,006.12 and 88,530.03 is: 122,169.77
Step by Step Solution
- Step 1: Write the proportion equation
160,151.55 : 221,006.12 = 88,530.03 : x - Step 2: Convert to fraction form
160,151.55/221,006.12 = 88,530.03/x - Step 3: Cross multiply
160,151.55x = 221,006.12 × 88,530.03 - Step 4: Simplify right side
160,151.55x = 19,565,677,991.13 - Step 5: Solve for x
x = 19,565,677,991.13/160,151.55 - Step 6: Final answer
x = 122,169.77
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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.