Finding the Fourth Proportional to 114,645.50, 171,851.58 and 106,159.94
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Solution
The fourth proportional to 114,645.50, 171,851.58 and 106,159.94 is: 159,131.88
Step by Step Solution
- Step 1: Write the proportion equation
114,645.50 : 171,851.58 = 106,159.94 : x - Step 2: Convert to fraction form
114,645.50/171,851.58 = 106,159.94/x - Step 3: Cross multiply
114,645.50x = 171,851.58 × 106,159.94 - Step 4: Simplify right side
114,645.50x = 18,243,753,421.71 - Step 5: Solve for x
x = 18,243,753,421.71/114,645.50 - Step 6: Final answer
x = 159,131.88
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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.