Finding the Fourth Proportional to 107,885.78, 148,946.16 and 95,915.99
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Solution
The fourth proportional to 107,885.78, 148,946.16 and 95,915.99 is: 132,420.77
Step by Step Solution
- Step 1: Write the proportion equation
107,885.78 : 148,946.16 = 95,915.99 : x - Step 2: Convert to fraction form
107,885.78/148,946.16 = 95,915.99/x - Step 3: Cross multiply
107,885.78x = 148,946.16 × 95,915.99 - Step 4: Simplify right side
107,885.78x = 14,286,317,913.52 - Step 5: Solve for x
x = 14,286,317,913.52/107,885.78 - Step 6: Final answer
x = 132,420.77
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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.