Finding the Fourth Proportional to 107,736.74, 148,675.30 and 59,337.75
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Solution
The fourth proportional to 107,736.74, 148,675.30 and 59,337.75 is: 81,885.32
Step by Step Solution
- Step 1: Write the proportion equation
107,736.74 : 148,675.30 = 59,337.75 : x - Step 2: Convert to fraction form
107,736.74/148,675.30 = 59,337.75/x - Step 3: Cross multiply
107,736.74x = 148,675.30 × 59,337.75 - Step 4: Simplify right side
107,736.74x = 8,822,057,355.46 - Step 5: Solve for x
x = 8,822,057,355.46/107,736.74 - Step 6: Final answer
x = 81,885.32
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1.5x scale
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.