Finding the Fourth Proportional to 134,881.80, 202,055.40 and 118,260.60
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Solution
The fourth proportional to 134,881.80, 202,055.40 and 118,260.60 is: 177,156.54
Step by Step Solution
- Step 1: Write the proportion equation
134,881.80 : 202,055.40 = 118,260.60 : x - Step 2: Convert to fraction form
134,881.80/202,055.40 = 118,260.60/x - Step 3: Cross multiply
134,881.80x = 202,055.40 × 118,260.60 - Step 4: Simplify right side
134,881.80x = 23,895,192,837.24 - Step 5: Solve for x
x = 23,895,192,837.24/134,881.80 - Step 6: Final answer
x = 177,156.54
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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.