Finding the Fourth Proportional to 130,405.05, 195,170.18 and 114,658.65
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Solution
The fourth proportional to 130,405.05, 195,170.18 and 114,658.65 is: 171,603.39
Step by Step Solution
- Step 1: Write the proportion equation
130,405.05 : 195,170.18 = 114,658.65 : x - Step 2: Convert to fraction form
130,405.05/195,170.18 = 114,658.65/x - Step 3: Cross multiply
130,405.05x = 195,170.18 × 114,658.65 - Step 4: Simplify right side
130,405.05x = 22,377,948,785.76 - Step 5: Solve for x
x = 22,377,948,785.76/130,405.05 - Step 6: Final answer
x = 171,603.39
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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.