Finding the Fourth Proportional to 110,420.24, 165,303.39 and 68,164.45
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Solution
The fourth proportional to 110,420.24, 165,303.39 and 68,164.45 is: 102,044.83
Step by Step Solution
- Step 1: Write the proportion equation
110,420.24 : 165,303.39 = 68,164.45 : x - Step 2: Convert to fraction form
110,420.24/165,303.39 = 68,164.45/x - Step 3: Cross multiply
110,420.24x = 165,303.39 × 68,164.45 - Step 4: Simplify right side
110,420.24x = 11,267,814,321.66 - Step 5: Solve for x
x = 11,267,814,321.66/110,420.24 - Step 6: Final answer
x = 102,044.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.