Finding the Fourth Proportional to 106,946.03, 147,601.07 and 61,615.19
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Solution
The fourth proportional to 106,946.03, 147,601.07 and 61,615.19 is: 85,037.92
Step by Step Solution
- Step 1: Write the proportion equation
106,946.03 : 147,601.07 = 61,615.19 : x - Step 2: Convert to fraction form
106,946.03/147,601.07 = 61,615.19/x - Step 3: Cross multiply
106,946.03x = 147,601.07 × 61,615.19 - Step 4: Simplify right side
106,946.03x = 9,094,468,264.24 - Step 5: Solve for x
x = 9,094,468,264.24/106,946.03 - Step 6: Final answer
x = 85,037.92
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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.