Finding the Fourth Proportional to 107,649, 148,555.62 and 60,545
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Solution
The fourth proportional to 107,649, 148,555.62 and 60,545 is: 83,552.10
Step by Step Solution
- Step 1: Write the proportion equation
107,649 : 148,555.62 = 60,545 : x - Step 2: Convert to fraction form
107,649/148,555.62 = 60,545/x - Step 3: Cross multiply
107,649x = 148,555.62 × 60,545 - Step 4: Simplify right side
107,649x = 8,994,300,012.90 - Step 5: Solve for x
x = 8,994,300,012.90/107,649 - Step 6: Final answer
x = 83,552.10
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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.