Finding the Fourth Proportional to 160,465.44, 221,307.78 and 103,114.08
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Solution
The fourth proportional to 160,465.44, 221,307.78 and 103,114.08 is: 142,210.98
Step by Step Solution
- Step 1: Write the proportion equation
160,465.44 : 221,307.78 = 103,114.08 : x - Step 2: Convert to fraction form
160,465.44/221,307.78 = 103,114.08/x - Step 3: Cross multiply
160,465.44x = 221,307.78 × 103,114.08 - Step 4: Simplify right side
160,465.44x = 22,819,948,131.54 - Step 5: Solve for x
x = 22,819,948,131.54/160,465.44 - Step 6: Final answer
x = 142,210.98
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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.