Finding the Fourth Proportional to 119,307.93, 164,647.85 and 65,593.99
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Solution
The fourth proportional to 119,307.93, 164,647.85 and 65,593.99 is: 90,521.30
Step by Step Solution
- Step 1: Write the proportion equation
119,307.93 : 164,647.85 = 65,593.99 : x - Step 2: Convert to fraction form
119,307.93/164,647.85 = 65,593.99/x - Step 3: Cross multiply
119,307.93x = 164,647.85 × 65,593.99 - Step 4: Simplify right side
119,307.93x = 10,799,909,426.42 - Step 5: Solve for x
x = 10,799,909,426.42/119,307.93 - Step 6: Final answer
x = 90,521.30
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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.