Finding the Fourth Proportional to 119,014.19, 164,239.58 and 68,028.02
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Solution
The fourth proportional to 119,014.19, 164,239.58 and 68,028.02 is: 93,878.66
Step by Step Solution
- Step 1: Write the proportion equation
119,014.19 : 164,239.58 = 68,028.02 : x - Step 2: Convert to fraction form
119,014.19/164,239.58 = 68,028.02/x - Step 3: Cross multiply
119,014.19x = 164,239.58 × 68,028.02 - Step 4: Simplify right side
119,014.19x = 11,172,893,397.80 - Step 5: Solve for x
x = 11,172,893,397.80/119,014.19 - Step 6: Final answer
x = 93,878.66
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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.