Finding the Fourth Proportional to 119,214.95, 164,448.19 and 74,425.19
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Solution
The fourth proportional to 119,214.95, 164,448.19 and 74,425.19 is: 102,664.03
Step by Step Solution
- Step 1: Write the proportion equation
119,214.95 : 164,448.19 = 74,425.19 : x - Step 2: Convert to fraction form
119,214.95/164,448.19 = 74,425.19/x - Step 3: Cross multiply
119,214.95x = 164,448.19 × 74,425.19 - Step 4: Simplify right side
119,214.95x = 12,239,087,785.91 - Step 5: Solve for x
x = 12,239,087,785.91/119,214.95 - Step 6: Final answer
x = 102,664.03
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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.