Finding the Fourth Proportional to 107,307.36, 160,994.88 and 67,354.14
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Solution
The fourth proportional to 107,307.36, 160,994.88 and 67,354.14 is: 101,052.45
Step by Step Solution
- Step 1: Write the proportion equation
107,307.36 : 160,994.88 = 67,354.14 : x - Step 2: Convert to fraction form
107,307.36/160,994.88 = 67,354.14/x - Step 3: Cross multiply
107,307.36x = 160,994.88 × 67,354.14 - Step 4: Simplify right side
107,307.36x = 10,843,671,686.80 - Step 5: Solve for x
x = 10,843,671,686.80/107,307.36 - Step 6: Final answer
x = 101,052.45
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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.