Finding the Fourth Proportional to 130,076.70, 195,154.35 and 61,740.70
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Solution
The fourth proportional to 130,076.70, 195,154.35 and 61,740.70 is: 92,629.70
Step by Step Solution
- Step 1: Write the proportion equation
130,076.70 : 195,154.35 = 61,740.70 : x - Step 2: Convert to fraction form
130,076.70/195,154.35 = 61,740.70/x - Step 3: Cross multiply
130,076.70x = 195,154.35 × 61,740.70 - Step 4: Simplify right side
130,076.70x = 12,048,965,689.16 - Step 5: Solve for x
x = 12,048,965,689.16/130,076.70 - Step 6: Final answer
x = 92,629.70
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1.5x scale
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.