Finding the Fourth Proportional to 119,988.88, 165,605.91 and 68,997.66
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Solution
The fourth proportional to 119,988.88, 165,605.91 and 68,997.66 is: 95,228.99
Step by Step Solution
- Step 1: Write the proportion equation
119,988.88 : 165,605.91 = 68,997.66 : x - Step 2: Convert to fraction form
119,988.88/165,605.91 = 68,997.66/x - Step 3: Cross multiply
119,988.88x = 165,605.91 × 68,997.66 - Step 4: Simplify right side
119,988.88x = 11,426,420,272.17 - Step 5: Solve for x
x = 11,426,420,272.17/119,988.88 - Step 6: Final answer
x = 95,228.99
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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.